Home / 42,088.90-63,126.46-17,127.94

Finding the Fourth Proportional to 42,088.90, 63,126.46 and 17,127.94

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Solution

The fourth proportional to 42,088.90, 63,126.46 and 17,127.94 is: 25,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,088.90 : 63,126.46 = 17,127.94 : x
  2. Step 2: Convert to fraction form
    42,088.90/63,126.46 = 17,127.94/x
  3. Step 3: Cross multiply
    42,088.90x = 63,126.46 × 17,127.94
  4. Step 4: Simplify right side
    42,088.90x = 1,081,226,219.29
  5. Step 5: Solve for x
    x = 1,081,226,219.29/42,088.90
  6. Step 6: Final answer
    x = 25,689.11

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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.