Home / 42,793.92-59,005.80-40,137.12

Finding the Fourth Proportional to 42,793.92, 59,005.80 and 40,137.12

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Solution

The fourth proportional to 42,793.92, 59,005.80 and 40,137.12 is: 55,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,793.92 : 59,005.80 = 40,137.12 : x
  2. Step 2: Convert to fraction form
    42,793.92/59,005.80 = 40,137.12/x
  3. Step 3: Cross multiply
    42,793.92x = 59,005.80 × 40,137.12
  4. Step 4: Simplify right side
    42,793.92x = 2,368,322,875.30
  5. Step 5: Solve for x
    x = 2,368,322,875.30/42,793.92
  6. Step 6: Final answer
    x = 55,342.51

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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.