Home / 69,070.79-95,317.55-38,856.13

Finding the Fourth Proportional to 69,070.79, 95,317.55 and 38,856.13

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Solution

The fourth proportional to 69,070.79, 95,317.55 and 38,856.13 is: 53,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,070.79 : 95,317.55 = 38,856.13 : x
  2. Step 2: Convert to fraction form
    69,070.79/95,317.55 = 38,856.13/x
  3. Step 3: Cross multiply
    69,070.79x = 95,317.55 × 38,856.13
  4. Step 4: Simplify right side
    69,070.79x = 3,703,670,919.80
  5. Step 5: Solve for x
    x = 3,703,670,919.80/69,070.79
  6. Step 6: Final answer
    x = 53,621.38

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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.