Home / 69,347.13-95,698.11-38,720.70

Finding the Fourth Proportional to 69,347.13, 95,698.11 and 38,720.70

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Solution

The fourth proportional to 69,347.13, 95,698.11 and 38,720.70 is: 53,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,347.13 : 95,698.11 = 38,720.70 : x
  2. Step 2: Convert to fraction form
    69,347.13/95,698.11 = 38,720.70/x
  3. Step 3: Cross multiply
    69,347.13x = 95,698.11 × 38,720.70
  4. Step 4: Simplify right side
    69,347.13x = 3,705,498,166.74
  5. Step 5: Solve for x
    x = 3,705,498,166.74/69,347.13
  6. Step 6: Final answer
    x = 53,434.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.