Home / 67,445.08-101,212.76-28,002.24

Finding the Fourth Proportional to 67,445.08, 101,212.76 and 28,002.24

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Solution

The fourth proportional to 67,445.08, 101,212.76 and 28,002.24 is: 42,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,445.08 : 101,212.76 = 28,002.24 : x
  2. Step 2: Convert to fraction form
    67,445.08/101,212.76 = 28,002.24/x
  3. Step 3: Cross multiply
    67,445.08x = 101,212.76 × 28,002.24
  4. Step 4: Simplify right side
    67,445.08x = 2,834,183,996.58
  5. Step 5: Solve for x
    x = 2,834,183,996.58/67,445.08
  6. Step 6: Final answer
    x = 42,022.10

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1.5x scale

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.