Home / 39,540.42-59,316.57-12,877.71

Finding the Fourth Proportional to 39,540.42, 59,316.57 and 12,877.71

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Solution

The fourth proportional to 39,540.42, 59,316.57 and 12,877.71 is: 19,318.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,540.42 : 59,316.57 = 12,877.71 : x
  2. Step 2: Convert to fraction form
    39,540.42/59,316.57 = 12,877.71/x
  3. Step 3: Cross multiply
    39,540.42x = 59,316.57 × 12,877.71
  4. Step 4: Simplify right side
    39,540.42x = 763,861,586.65
  5. Step 5: Solve for x
    x = 763,861,586.65/39,540.42
  6. Step 6: Final answer
    x = 19,318.50

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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.