Home / 40,235.42-60,364.02-12,156.39

Finding the Fourth Proportional to 40,235.42, 60,364.02 and 12,156.39

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Solution

The fourth proportional to 40,235.42, 60,364.02 and 12,156.39 is: 18,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,235.42 : 60,364.02 = 12,156.39 : x
  2. Step 2: Convert to fraction form
    40,235.42/60,364.02 = 12,156.39/x
  3. Step 3: Cross multiply
    40,235.42x = 60,364.02 × 12,156.39
  4. Step 4: Simplify right side
    40,235.42x = 733,808,569.09
  5. Step 5: Solve for x
    x = 733,808,569.09/40,235.42
  6. Step 6: Final answer
    x = 18,237.88

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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.