Home / 69,071.51-95,310.97-38,856.21

Finding the Fourth Proportional to 69,071.51, 95,310.97 and 38,856.21

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Solution

The fourth proportional to 69,071.51, 95,310.97 and 38,856.21 is: 53,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,071.51 : 95,310.97 = 38,856.21 : x
  2. Step 2: Convert to fraction form
    69,071.51/95,310.97 = 38,856.21/x
  3. Step 3: Cross multiply
    69,071.51x = 95,310.97 × 38,856.21
  4. Step 4: Simplify right side
    69,071.51x = 3,703,423,065.62
  5. Step 5: Solve for x
    x = 3,703,423,065.62/69,071.51
  6. Step 6: Final answer
    x = 53,617.23

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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.