Home / 42,490.61-63,681.28-17,548.17

Finding the Fourth Proportional to 42,490.61, 63,681.28 and 17,548.17

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Solution

The fourth proportional to 42,490.61, 63,681.28 and 17,548.17 is: 26,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,490.61 : 63,681.28 = 17,548.17 : x
  2. Step 2: Convert to fraction form
    42,490.61/63,681.28 = 17,548.17/x
  3. Step 3: Cross multiply
    42,490.61x = 63,681.28 × 17,548.17
  4. Step 4: Simplify right side
    42,490.61x = 1,117,489,927.26
  5. Step 5: Solve for x
    x = 1,117,489,927.26/42,490.61
  6. Step 6: Final answer
    x = 26,299.69

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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.