Home / 52,069.80-71,856.42-30,859.56

Finding the Fourth Proportional to 52,069.80, 71,856.42 and 30,859.56

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Solution

The fourth proportional to 52,069.80, 71,856.42 and 30,859.56 is: 42,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,069.80 : 71,856.42 = 30,859.56 : x
  2. Step 2: Convert to fraction form
    52,069.80/71,856.42 = 30,859.56/x
  3. Step 3: Cross multiply
    52,069.80x = 71,856.42 × 30,859.56
  4. Step 4: Simplify right side
    52,069.80x = 2,217,457,504.38
  5. Step 5: Solve for x
    x = 2,217,457,504.38/52,069.80
  6. Step 6: Final answer
    x = 42,586.25

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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.