Home / 62,691.12-93,970.60-20,560.24

Finding the Fourth Proportional to 62,691.12, 93,970.60 and 20,560.24

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Solution

The fourth proportional to 62,691.12, 93,970.60 and 20,560.24 is: 30,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,691.12 : 93,970.60 = 20,560.24 : x
  2. Step 2: Convert to fraction form
    62,691.12/93,970.60 = 20,560.24/x
  3. Step 3: Cross multiply
    62,691.12x = 93,970.60 × 20,560.24
  4. Step 4: Simplify right side
    62,691.12x = 1,932,058,088.94
  5. Step 5: Solve for x
    x = 1,932,058,088.94/62,691.12
  6. Step 6: Final answer
    x = 30,818.69

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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.