Home / 49,314.32-74,024.12-21,248.29

Finding the Fourth Proportional to 49,314.32, 74,024.12 and 21,248.29

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Solution

The fourth proportional to 49,314.32, 74,024.12 and 21,248.29 is: 31,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,314.32 : 74,024.12 = 21,248.29 : x
  2. Step 2: Convert to fraction form
    49,314.32/74,024.12 = 21,248.29/x
  3. Step 3: Cross multiply
    49,314.32x = 74,024.12 × 21,248.29
  4. Step 4: Simplify right side
    49,314.32x = 1,572,885,968.75
  5. Step 5: Solve for x
    x = 1,572,885,968.75/49,314.32
  6. Step 6: Final answer
    x = 31,895.12

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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.