Home / 39,768.08-59,650.74-10,186.20

Finding the Fourth Proportional to 39,768.08, 59,650.74 and 10,186.20

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Solution

The fourth proportional to 39,768.08, 59,650.74 and 10,186.20 is: 15,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.08 : 59,650.74 = 10,186.20 : x
  2. Step 2: Convert to fraction form
    39,768.08/59,650.74 = 10,186.20/x
  3. Step 3: Cross multiply
    39,768.08x = 59,650.74 × 10,186.20
  4. Step 4: Simplify right side
    39,768.08x = 607,614,367.79
  5. Step 5: Solve for x
    x = 607,614,367.79/39,768.08
  6. Step 6: Final answer
    x = 15,278.95

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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.