Home / 71,577.45-98,767.59-39,740.22

Finding the Fourth Proportional to 71,577.45, 98,767.59 and 39,740.22

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Solution

The fourth proportional to 71,577.45, 98,767.59 and 39,740.22 is: 54,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,577.45 : 98,767.59 = 39,740.22 : x
  2. Step 2: Convert to fraction form
    71,577.45/98,767.59 = 39,740.22/x
  3. Step 3: Cross multiply
    71,577.45x = 98,767.59 × 39,740.22
  4. Step 4: Simplify right side
    71,577.45x = 3,925,045,755.47
  5. Step 5: Solve for x
    x = 3,925,045,755.47/71,577.45
  6. Step 6: Final answer
    x = 54,836.35

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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.