Home / 56,948.10-85,422.15-40,326.90

Finding the Fourth Proportional to 56,948.10, 85,422.15 and 40,326.90

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Solution

The fourth proportional to 56,948.10, 85,422.15 and 40,326.90 is: 60,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,948.10 : 85,422.15 = 40,326.90 : x
  2. Step 2: Convert to fraction form
    56,948.10/85,422.15 = 40,326.90/x
  3. Step 3: Cross multiply
    56,948.10x = 85,422.15 × 40,326.90
  4. Step 4: Simplify right side
    56,948.10x = 3,444,810,500.84
  5. Step 5: Solve for x
    x = 3,444,810,500.84/56,948.10
  6. Step 6: Final answer
    x = 60,490.35

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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.