Home / 40,086.63-60,133.08-13,432.71

Finding the Fourth Proportional to 40,086.63, 60,133.08 and 13,432.71

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Solution

The fourth proportional to 40,086.63, 60,133.08 and 13,432.71 is: 20,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,086.63 : 60,133.08 = 13,432.71 : x
  2. Step 2: Convert to fraction form
    40,086.63/60,133.08 = 13,432.71/x
  3. Step 3: Cross multiply
    40,086.63x = 60,133.08 × 13,432.71
  4. Step 4: Simplify right side
    40,086.63x = 807,750,225.05
  5. Step 5: Solve for x
    x = 807,750,225.05/40,086.63
  6. Step 6: Final answer
    x = 20,150.12

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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.