Home / 56,818.95-85,131.36-40,146.72

Finding the Fourth Proportional to 56,818.95, 85,131.36 and 40,146.72

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Solution

The fourth proportional to 56,818.95, 85,131.36 and 40,146.72 is: 60,151.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,818.95 : 85,131.36 = 40,146.72 : x
  2. Step 2: Convert to fraction form
    56,818.95/85,131.36 = 40,146.72/x
  3. Step 3: Cross multiply
    56,818.95x = 85,131.36 × 40,146.72
  4. Step 4: Simplify right side
    56,818.95x = 3,417,744,873.14
  5. Step 5: Solve for x
    x = 3,417,744,873.14/56,818.95
  6. Step 6: Final answer
    x = 60,151.50

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1.5x scale

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.