Home / 36,765.50-55,139.13-10,470.47

Finding the Fourth Proportional to 36,765.50, 55,139.13 and 10,470.47

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Solution

The fourth proportional to 36,765.50, 55,139.13 and 10,470.47 is: 15,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,765.50 : 55,139.13 = 10,470.47 : x
  2. Step 2: Convert to fraction form
    36,765.50/55,139.13 = 10,470.47/x
  3. Step 3: Cross multiply
    36,765.50x = 55,139.13 × 10,470.47
  4. Step 4: Simplify right side
    36,765.50x = 577,332,330.80
  5. Step 5: Solve for x
    x = 577,332,330.80/36,765.50
  6. Step 6: Final answer
    x = 15,703.10

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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.