Home / 71,850.24-99,151.80-39,585.84

Finding the Fourth Proportional to 71,850.24, 99,151.80 and 39,585.84

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Solution

The fourth proportional to 71,850.24, 99,151.80 and 39,585.84 is: 54,627.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,850.24 : 99,151.80 = 39,585.84 : x
  2. Step 2: Convert to fraction form
    71,850.24/99,151.80 = 39,585.84/x
  3. Step 3: Cross multiply
    71,850.24x = 99,151.80 × 39,585.84
  4. Step 4: Simplify right side
    71,850.24x = 3,925,007,290.51
  5. Step 5: Solve for x
    x = 3,925,007,290.51/71,850.24
  6. Step 6: Final answer
    x = 54,627.62

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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.