Home / 56,259.38-77,637.66-31,108.88

Finding the Fourth Proportional to 56,259.38, 77,637.66 and 31,108.88

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Solution

The fourth proportional to 56,259.38, 77,637.66 and 31,108.88 is: 42,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,259.38 : 77,637.66 = 31,108.88 : x
  2. Step 2: Convert to fraction form
    56,259.38/77,637.66 = 31,108.88/x
  3. Step 3: Cross multiply
    56,259.38x = 77,637.66 × 31,108.88
  4. Step 4: Simplify right side
    56,259.38x = 2,415,220,648.42
  5. Step 5: Solve for x
    x = 2,415,220,648.42/56,259.38
  6. Step 6: Final answer
    x = 42,930.10

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1.5x scale

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.