Home / 56,219.68-84,407.28-28,537.12

Finding the Fourth Proportional to 56,219.68, 84,407.28 and 28,537.12

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Solution

The fourth proportional to 56,219.68, 84,407.28 and 28,537.12 is: 42,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,219.68 : 84,407.28 = 28,537.12 : x
  2. Step 2: Convert to fraction form
    56,219.68/84,407.28 = 28,537.12/x
  3. Step 3: Cross multiply
    56,219.68x = 84,407.28 × 28,537.12
  4. Step 4: Simplify right side
    56,219.68x = 2,408,740,678.23
  5. Step 5: Solve for x
    x = 2,408,740,678.23/56,219.68
  6. Step 6: Final answer
    x = 42,845.15

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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.