Home / 40,412.89-60,617.88-12,331.81

Finding the Fourth Proportional to 40,412.89, 60,617.88 and 12,331.81

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Solution

The fourth proportional to 40,412.89, 60,617.88 and 12,331.81 is: 18,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,412.89 : 60,617.88 = 12,331.81 : x
  2. Step 2: Convert to fraction form
    40,412.89/60,617.88 = 12,331.81/x
  3. Step 3: Cross multiply
    40,412.89x = 60,617.88 × 12,331.81
  4. Step 4: Simplify right side
    40,412.89x = 747,528,178.76
  5. Step 5: Solve for x
    x = 747,528,178.76/40,412.89
  6. Step 6: Final answer
    x = 18,497.27

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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.