Home / 40,411.89-60,616.38-12,330.81

Finding the Fourth Proportional to 40,411.89, 60,616.38 and 12,330.81

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Solution

The fourth proportional to 40,411.89, 60,616.38 and 12,330.81 is: 18,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,411.89 : 60,616.38 = 12,330.81 : x
  2. Step 2: Convert to fraction form
    40,411.89/60,616.38 = 12,330.81/x
  3. Step 3: Cross multiply
    40,411.89x = 60,616.38 × 12,330.81
  4. Step 4: Simplify right side
    40,411.89x = 747,449,064.67
  5. Step 5: Solve for x
    x = 747,449,064.67/40,411.89
  6. Step 6: Final answer
    x = 18,495.77

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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.