Home / 56,377.32-84,568.02-18,938.62

Finding the Fourth Proportional to 56,377.32, 84,568.02 and 18,938.62

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Solution

The fourth proportional to 56,377.32, 84,568.02 and 18,938.62 is: 28,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,377.32 : 84,568.02 = 18,938.62 : x
  2. Step 2: Convert to fraction form
    56,377.32/84,568.02 = 18,938.62/x
  3. Step 3: Cross multiply
    56,377.32x = 84,568.02 × 18,938.62
  4. Step 4: Simplify right side
    56,377.32x = 1,601,601,594.93
  5. Step 5: Solve for x
    x = 1,601,601,594.93/56,377.32
  6. Step 6: Final answer
    x = 28,408.62

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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.