Home / 64,713.52-97,070.28-20,344.15

Finding the Fourth Proportional to 64,713.52, 97,070.28 and 20,344.15

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Solution

The fourth proportional to 64,713.52, 97,070.28 and 20,344.15 is: 30,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,713.52 : 97,070.28 = 20,344.15 : x
  2. Step 2: Convert to fraction form
    64,713.52/97,070.28 = 20,344.15/x
  3. Step 3: Cross multiply
    64,713.52x = 97,070.28 × 20,344.15
  4. Step 4: Simplify right side
    64,713.52x = 1,974,812,336.86
  5. Step 5: Solve for x
    x = 1,974,812,336.86/64,713.52
  6. Step 6: Final answer
    x = 30,516.23

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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.