Home / 35,478,000.60-53,217,000.90-20,319,466.20

Finding the Fourth Proportional to 35,478,000.60, 53,217,000.90 and 20,319,466.20

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Solution

The fourth proportional to 35,478,000.60, 53,217,000.90 and 20,319,466.20 is: 30,479,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478,000.60 : 53,217,000.90 = 20,319,466.20 : x
  2. Step 2: Convert to fraction form
    35,478,000.60/53,217,000.90 = 20,319,466.20/x
  3. Step 3: Cross multiply
    35,478,000.60x = 53,217,000.90 × 20,319,466.20
  4. Step 4: Simplify right side
    35,478,000.60x = 1,081,341,051,052,919.50
  5. Step 5: Solve for x
    x = 1,081,341,051,052,919.50/35,478,000.60
  6. Step 6: Final answer
    x = 30,479,199.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.