Home / 56,742.32-78,268.92-40,801.52

Finding the Fourth Proportional to 56,742.32, 78,268.92 and 40,801.52

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Solution

The fourth proportional to 56,742.32, 78,268.92 and 40,801.52 is: 56,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,742.32 : 78,268.92 = 40,801.52 : x
  2. Step 2: Convert to fraction form
    56,742.32/78,268.92 = 40,801.52/x
  3. Step 3: Cross multiply
    56,742.32x = 78,268.92 × 40,801.52
  4. Step 4: Simplify right side
    56,742.32x = 3,193,490,904.76
  5. Step 5: Solve for x
    x = 3,193,490,904.76/56,742.32
  6. Step 6: Final answer
    x = 56,280.58

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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.