Home / 40,115.52-60,128.46-35,446.68

Finding the Fourth Proportional to 40,115.52, 60,128.46 and 35,446.68

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Solution

The fourth proportional to 40,115.52, 60,128.46 and 35,446.68 is: 53,130.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,115.52 : 60,128.46 = 35,446.68 : x
  2. Step 2: Convert to fraction form
    40,115.52/60,128.46 = 35,446.68/x
  3. Step 3: Cross multiply
    40,115.52x = 60,128.46 × 35,446.68
  4. Step 4: Simplify right side
    40,115.52x = 2,131,354,280.51
  5. Step 5: Solve for x
    x = 2,131,354,280.51/40,115.52
  6. Step 6: Final answer
    x = 53,130.42

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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.