Home / 42,125.92-63,188.92-12,544.16

Finding the Fourth Proportional to 42,125.92, 63,188.92 and 12,544.16

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Solution

The fourth proportional to 42,125.92, 63,188.92 and 12,544.16 is: 18,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,125.92 : 63,188.92 = 12,544.16 : x
  2. Step 2: Convert to fraction form
    42,125.92/63,188.92 = 12,544.16/x
  3. Step 3: Cross multiply
    42,125.92x = 63,188.92 × 12,544.16
  4. Step 4: Simplify right side
    42,125.92x = 792,651,922.71
  5. Step 5: Solve for x
    x = 792,651,922.71/42,125.92
  6. Step 6: Final answer
    x = 18,816.25

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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.