Home / 55,155.32-82,732.80-15,712.64

Finding the Fourth Proportional to 55,155.32, 82,732.80 and 15,712.64

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Solution

The fourth proportional to 55,155.32, 82,732.80 and 15,712.64 is: 23,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,155.32 : 82,732.80 = 15,712.64 : x
  2. Step 2: Convert to fraction form
    55,155.32/82,732.80 = 15,712.64/x
  3. Step 3: Cross multiply
    55,155.32x = 82,732.80 × 15,712.64
  4. Step 4: Simplify right side
    55,155.32x = 1,299,950,702.59
  5. Step 5: Solve for x
    x = 1,299,950,702.59/55,155.32
  6. Step 6: Final answer
    x = 23,568.91

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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.