Home / 56,886.42-85,215.39-28,337.38

Finding the Fourth Proportional to 56,886.42, 85,215.39 and 28,337.38

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Solution

The fourth proportional to 56,886.42, 85,215.39 and 28,337.38 is: 42,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,886.42 : 85,215.39 = 28,337.38 : x
  2. Step 2: Convert to fraction form
    56,886.42/85,215.39 = 28,337.38/x
  3. Step 3: Cross multiply
    56,886.42x = 85,215.39 × 28,337.38
  4. Step 4: Simplify right side
    56,886.42x = 2,414,780,888.28
  5. Step 5: Solve for x
    x = 2,414,780,888.28/56,886.42
  6. Step 6: Final answer
    x = 42,449.16

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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.