Home / 42,358.36-63,492.70-15,687.16

Finding the Fourth Proportional to 42,358.36, 63,492.70 and 15,687.16

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Solution

The fourth proportional to 42,358.36, 63,492.70 and 15,687.16 is: 23,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,358.36 : 63,492.70 = 15,687.16 : x
  2. Step 2: Convert to fraction form
    42,358.36/63,492.70 = 15,687.16/x
  3. Step 3: Cross multiply
    42,358.36x = 63,492.70 × 15,687.16
  4. Step 4: Simplify right side
    42,358.36x = 996,020,143.73
  5. Step 5: Solve for x
    x = 996,020,143.73/42,358.36
  6. Step 6: Final answer
    x = 23,514.13

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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.