Home / 56,872.41-85,319.51-17,429.87

Finding the Fourth Proportional to 56,872.41, 85,319.51 and 17,429.87

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Solution

The fourth proportional to 56,872.41, 85,319.51 and 17,429.87 is: 26,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,872.41 : 85,319.51 = 17,429.87 : x
  2. Step 2: Convert to fraction form
    56,872.41/85,319.51 = 17,429.87/x
  3. Step 3: Cross multiply
    56,872.41x = 85,319.51 × 17,429.87
  4. Step 4: Simplify right side
    56,872.41x = 1,487,107,454.02
  5. Step 5: Solve for x
    x = 1,487,107,454.02/56,872.41
  6. Step 6: Final answer
    x = 26,148.13

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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.