Home / 71,020.41-98,008.64-38,757.30

Finding the Fourth Proportional to 71,020.41, 98,008.64 and 38,757.30

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Solution

The fourth proportional to 71,020.41, 98,008.64 and 38,757.30 is: 53,485.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,020.41 : 98,008.64 = 38,757.30 : x
  2. Step 2: Convert to fraction form
    71,020.41/98,008.64 = 38,757.30/x
  3. Step 3: Cross multiply
    71,020.41x = 98,008.64 × 38,757.30
  4. Step 4: Simplify right side
    71,020.41x = 3,798,550,069.29
  5. Step 5: Solve for x
    x = 3,798,550,069.29/71,020.41
  6. Step 6: Final answer
    x = 53,485.33

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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.