Home / 40,108.52-60,145.01-21,385.07

Finding the Fourth Proportional to 40,108.52, 60,145.01 and 21,385.07

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Solution

The fourth proportional to 40,108.52, 60,145.01 and 21,385.07 is: 32,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,108.52 : 60,145.01 = 21,385.07 : x
  2. Step 2: Convert to fraction form
    40,108.52/60,145.01 = 21,385.07/x
  3. Step 3: Cross multiply
    40,108.52x = 60,145.01 × 21,385.07
  4. Step 4: Simplify right side
    40,108.52x = 1,286,204,841.35
  5. Step 5: Solve for x
    x = 1,286,204,841.35/40,108.52
  6. Step 6: Final answer
    x = 32,068.12

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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.