Home / 30,477.38-42,061.95-17,557.10

Finding the Fourth Proportional to 30,477.38, 42,061.95 and 17,557.10

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Solution

The fourth proportional to 30,477.38, 42,061.95 and 17,557.10 is: 24,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,477.38 : 42,061.95 = 17,557.10 : x
  2. Step 2: Convert to fraction form
    30,477.38/42,061.95 = 17,557.10/x
  3. Step 3: Cross multiply
    30,477.38x = 42,061.95 × 17,557.10
  4. Step 4: Simplify right side
    30,477.38x = 738,485,862.35
  5. Step 5: Solve for x
    x = 738,485,862.35/30,477.38
  6. Step 6: Final answer
    x = 24,230.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.