Home / 45,167.12-67,714.50-21,462.77

Finding the Fourth Proportional to 45,167.12, 67,714.50 and 21,462.77

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Solution

The fourth proportional to 45,167.12, 67,714.50 and 21,462.77 is: 32,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,167.12 : 67,714.50 = 21,462.77 : x
  2. Step 2: Convert to fraction form
    45,167.12/67,714.50 = 21,462.77/x
  3. Step 3: Cross multiply
    45,167.12x = 67,714.50 × 21,462.77
  4. Step 4: Simplify right side
    45,167.12x = 1,453,340,400.59
  5. Step 5: Solve for x
    x = 1,453,340,400.59/45,167.12
  6. Step 6: Final answer
    x = 32,176.96

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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.