Home / 40,639.36-56,079.12-22,732.96

Finding the Fourth Proportional to 40,639.36, 56,079.12 and 22,732.96

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Solution

The fourth proportional to 40,639.36, 56,079.12 and 22,732.96 is: 31,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,639.36 : 56,079.12 = 22,732.96 : x
  2. Step 2: Convert to fraction form
    40,639.36/56,079.12 = 22,732.96/x
  3. Step 3: Cross multiply
    40,639.36x = 56,079.12 × 22,732.96
  4. Step 4: Simplify right side
    40,639.36x = 1,274,844,391.80
  5. Step 5: Solve for x
    x = 1,274,844,391.80/40,639.36
  6. Step 6: Final answer
    x = 31,369.70

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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.