Home / 56,248.40-84,343.44-28,138.16

Finding the Fourth Proportional to 56,248.40, 84,343.44 and 28,138.16

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Solution

The fourth proportional to 56,248.40, 84,343.44 and 28,138.16 is: 42,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,248.40 : 84,343.44 = 28,138.16 : x
  2. Step 2: Convert to fraction form
    56,248.40/84,343.44 = 28,138.16/x
  3. Step 3: Cross multiply
    56,248.40x = 84,343.44 × 28,138.16
  4. Step 4: Simplify right side
    56,248.40x = 2,373,269,209.67
  5. Step 5: Solve for x
    x = 2,373,269,209.67/56,248.40
  6. Step 6: Final answer
    x = 42,192.65

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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.