Home / 47,967.96-66,229.74-30,070.20

Finding the Fourth Proportional to 47,967.96, 66,229.74 and 30,070.20

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Solution

The fourth proportional to 47,967.96, 66,229.74 and 30,070.20 is: 41,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,967.96 : 66,229.74 = 30,070.20 : x
  2. Step 2: Convert to fraction form
    47,967.96/66,229.74 = 30,070.20/x
  3. Step 3: Cross multiply
    47,967.96x = 66,229.74 × 30,070.20
  4. Step 4: Simplify right side
    47,967.96x = 1,991,541,527.75
  5. Step 5: Solve for x
    x = 1,991,541,527.75/47,967.96
  6. Step 6: Final answer
    x = 41,518.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.