Home / 63,748-87,977.36-37,257.12

Finding the Fourth Proportional to 63,748, 87,977.36 and 37,257.12

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Solution

The fourth proportional to 63,748, 87,977.36 and 37,257.12 is: 51,417.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,748 : 87,977.36 = 37,257.12 : x
  2. Step 2: Convert to fraction form
    63,748/87,977.36 = 37,257.12/x
  3. Step 3: Cross multiply
    63,748x = 87,977.36 × 37,257.12
  4. Step 4: Simplify right side
    63,748x = 3,277,783,058.80
  5. Step 5: Solve for x
    x = 3,277,783,058.80/63,748
  6. Step 6: Final answer
    x = 51,417.82

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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.