Home / 42,581.04-63,895.32-17,639.52

Finding the Fourth Proportional to 42,581.04, 63,895.32 and 17,639.52

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Solution

The fourth proportional to 42,581.04, 63,895.32 and 17,639.52 is: 26,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,581.04 : 63,895.32 = 17,639.52 : x
  2. Step 2: Convert to fraction form
    42,581.04/63,895.32 = 17,639.52/x
  3. Step 3: Cross multiply
    42,581.04x = 63,895.32 × 17,639.52
  4. Step 4: Simplify right side
    42,581.04x = 1,127,082,775.05
  5. Step 5: Solve for x
    x = 1,127,082,775.05/42,581.04
  6. Step 6: Final answer
    x = 26,469.12

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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.