Home / 40,123.85-60,185.63-12,043.79

Finding the Fourth Proportional to 40,123.85, 60,185.63 and 12,043.79

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Solution

The fourth proportional to 40,123.85, 60,185.63 and 12,043.79 is: 18,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123.85 : 60,185.63 = 12,043.79 : x
  2. Step 2: Convert to fraction form
    40,123.85/60,185.63 = 12,043.79/x
  3. Step 3: Cross multiply
    40,123.85x = 60,185.63 × 12,043.79
  4. Step 4: Simplify right side
    40,123.85x = 724,862,787.81
  5. Step 5: Solve for x
    x = 724,862,787.81/40,123.85
  6. Step 6: Final answer
    x = 18,065.63

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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.