Home / 40,429.53-60,644.57-12,353.92

Finding the Fourth Proportional to 40,429.53, 60,644.57 and 12,353.92

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Solution

The fourth proportional to 40,429.53, 60,644.57 and 12,353.92 is: 18,530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,429.53 : 60,644.57 = 12,353.92 : x
  2. Step 2: Convert to fraction form
    40,429.53/60,644.57 = 12,353.92/x
  3. Step 3: Cross multiply
    40,429.53x = 60,644.57 × 12,353.92
  4. Step 4: Simplify right side
    40,429.53x = 749,197,952.83
  5. Step 5: Solve for x
    x = 749,197,952.83/40,429.53
  6. Step 6: Final answer
    x = 18,530.96

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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.