Home / 42,127.76-63,154.62-17,188.81

Finding the Fourth Proportional to 42,127.76, 63,154.62 and 17,188.81

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Solution

The fourth proportional to 42,127.76, 63,154.62 and 17,188.81 is: 25,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,127.76 : 63,154.62 = 17,188.81 : x
  2. Step 2: Convert to fraction form
    42,127.76/63,154.62 = 17,188.81/x
  3. Step 3: Cross multiply
    42,127.76x = 63,154.62 × 17,188.81
  4. Step 4: Simplify right side
    42,127.76x = 1,085,552,605.92
  5. Step 5: Solve for x
    x = 1,085,552,605.92/42,127.76
  6. Step 6: Final answer
    x = 25,768.10

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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.