Home / 40,740.52-60,969.84-28,176.20

Finding the Fourth Proportional to 40,740.52, 60,969.84 and 28,176.20

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Solution

The fourth proportional to 40,740.52, 60,969.84 and 28,176.20 is: 42,166.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,740.52 : 60,969.84 = 28,176.20 : x
  2. Step 2: Convert to fraction form
    40,740.52/60,969.84 = 28,176.20/x
  3. Step 3: Cross multiply
    40,740.52x = 60,969.84 × 28,176.20
  4. Step 4: Simplify right side
    40,740.52x = 1,717,898,405.81
  5. Step 5: Solve for x
    x = 1,717,898,405.81/40,740.52
  6. Step 6: Final answer
    x = 42,166.83

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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.