Home / 42,207.22-63,311.74-12,626.22

Finding the Fourth Proportional to 42,207.22, 63,311.74 and 12,626.22

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Solution

The fourth proportional to 42,207.22, 63,311.74 and 12,626.22 is: 18,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,207.22 : 63,311.74 = 12,626.22 : x
  2. Step 2: Convert to fraction form
    42,207.22/63,311.74 = 12,626.22/x
  3. Step 3: Cross multiply
    42,207.22x = 63,311.74 × 12,626.22
  4. Step 4: Simplify right side
    42,207.22x = 799,387,926.26
  5. Step 5: Solve for x
    x = 799,387,926.26/42,207.22
  6. Step 6: Final answer
    x = 18,939.60

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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.