Home / 40,139.11-60,220.83-15,186.83

Finding the Fourth Proportional to 40,139.11, 60,220.83 and 15,186.83

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Solution

The fourth proportional to 40,139.11, 60,220.83 and 15,186.83 is: 22,784.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,139.11 : 60,220.83 = 15,186.83 : x
  2. Step 2: Convert to fraction form
    40,139.11/60,220.83 = 15,186.83/x
  3. Step 3: Cross multiply
    40,139.11x = 60,220.83 × 15,186.83
  4. Step 4: Simplify right side
    40,139.11x = 914,563,263.52
  5. Step 5: Solve for x
    x = 914,563,263.52/40,139.11
  6. Step 6: Final answer
    x = 22,784.84

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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.