Home / 42,475.63-63,721.13-17,501.78

Finding the Fourth Proportional to 42,475.63, 63,721.13 and 17,501.78

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Solution

The fourth proportional to 42,475.63, 63,721.13 and 17,501.78 is: 26,255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,475.63 : 63,721.13 = 17,501.78 : x
  2. Step 2: Convert to fraction form
    42,475.63/63,721.13 = 17,501.78/x
  3. Step 3: Cross multiply
    42,475.63x = 63,721.13 × 17,501.78
  4. Step 4: Simplify right side
    42,475.63x = 1,115,233,270.41
  5. Step 5: Solve for x
    x = 1,115,233,270.41/42,475.63
  6. Step 6: Final answer
    x = 26,255.84

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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.