Home / 56,036.88-77,306.40-40,115.52

Finding the Fourth Proportional to 56,036.88, 77,306.40 and 40,115.52

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Solution

The fourth proportional to 56,036.88, 77,306.40 and 40,115.52 is: 55,341.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,036.88 : 77,306.40 = 40,115.52 : x
  2. Step 2: Convert to fraction form
    56,036.88/77,306.40 = 40,115.52/x
  3. Step 3: Cross multiply
    56,036.88x = 77,306.40 × 40,115.52
  4. Step 4: Simplify right side
    56,036.88x = 3,101,186,435.33
  5. Step 5: Solve for x
    x = 3,101,186,435.33/56,036.88
  6. Step 6: Final answer
    x = 55,341.88

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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.