Home / 71,230.13-98,292.40-39,399.56

Finding the Fourth Proportional to 71,230.13, 98,292.40 and 39,399.56

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Solution

The fourth proportional to 71,230.13, 98,292.40 and 39,399.56 is: 54,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,230.13 : 98,292.40 = 39,399.56 : x
  2. Step 2: Convert to fraction form
    71,230.13/98,292.40 = 39,399.56/x
  3. Step 3: Cross multiply
    71,230.13x = 98,292.40 × 39,399.56
  4. Step 4: Simplify right side
    71,230.13x = 3,872,677,458.58
  5. Step 5: Solve for x
    x = 3,872,677,458.58/71,230.13
  6. Step 6: Final answer
    x = 54,368.53

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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.