Home / 40,123.65-60,185.41-12,043.68

Finding the Fourth Proportional to 40,123.65, 60,185.41 and 12,043.68

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Solution

The fourth proportional to 40,123.65, 60,185.41 and 12,043.68 is: 18,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123.65 : 60,185.41 = 12,043.68 : x
  2. Step 2: Convert to fraction form
    40,123.65/60,185.41 = 12,043.68/x
  3. Step 3: Cross multiply
    40,123.65x = 60,185.41 × 12,043.68
  4. Step 4: Simplify right side
    40,123.65x = 724,853,818.71
  5. Step 5: Solve for x
    x = 724,853,818.71/40,123.65
  6. Step 6: Final answer
    x = 18,065.50

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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.