Home / 39,818.47-59,736.35-12,115.75

Finding the Fourth Proportional to 39,818.47, 59,736.35 and 12,115.75

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Solution

The fourth proportional to 39,818.47, 59,736.35 and 12,115.75 is: 18,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,818.47 : 59,736.35 = 12,115.75 : x
  2. Step 2: Convert to fraction form
    39,818.47/59,736.35 = 12,115.75/x
  3. Step 3: Cross multiply
    39,818.47x = 59,736.35 × 12,115.75
  4. Step 4: Simplify right side
    39,818.47x = 723,750,621.93
  5. Step 5: Solve for x
    x = 723,750,621.93/39,818.47
  6. Step 6: Final answer
    x = 18,176.25

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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.