Home / 56,534.76-77,974.25-41,421.78

Finding the Fourth Proportional to 56,534.76, 77,974.25 and 41,421.78

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Solution

The fourth proportional to 56,534.76, 77,974.25 and 41,421.78 is: 57,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,534.76 : 77,974.25 = 41,421.78 : x
  2. Step 2: Convert to fraction form
    56,534.76/77,974.25 = 41,421.78/x
  3. Step 3: Cross multiply
    56,534.76x = 77,974.25 × 41,421.78
  4. Step 4: Simplify right side
    56,534.76x = 3,229,832,022.06
  5. Step 5: Solve for x
    x = 3,229,832,022.06/56,534.76
  6. Step 6: Final answer
    x = 57,130.02

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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.