Home / 57,747.90-86,570.28-31,108.35

Finding the Fourth Proportional to 57,747.90, 86,570.28 and 31,108.35

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Solution

The fourth proportional to 57,747.90, 86,570.28 and 31,108.35 is: 46,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,747.90 : 86,570.28 = 31,108.35 : x
  2. Step 2: Convert to fraction form
    57,747.90/86,570.28 = 31,108.35/x
  3. Step 3: Cross multiply
    57,747.90x = 86,570.28 × 31,108.35
  4. Step 4: Simplify right side
    57,747.90x = 2,693,058,569.84
  5. Step 5: Solve for x
    x = 2,693,058,569.84/57,747.90
  6. Step 6: Final answer
    x = 46,634.74

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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.