Home / 64,966.20-97,449.28-15,718.20

Finding the Fourth Proportional to 64,966.20, 97,449.28 and 15,718.20

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Solution

The fourth proportional to 64,966.20, 97,449.28 and 15,718.20 is: 23,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,966.20 : 97,449.28 = 15,718.20 : x
  2. Step 2: Convert to fraction form
    64,966.20/97,449.28 = 15,718.20/x
  3. Step 3: Cross multiply
    64,966.20x = 97,449.28 × 15,718.20
  4. Step 4: Simplify right side
    64,966.20x = 1,531,727,272.90
  5. Step 5: Solve for x
    x = 1,531,727,272.90/64,966.20
  6. Step 6: Final answer
    x = 23,577.30

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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.