Home / 71,441.04-107,153.35-18,854.63

Finding the Fourth Proportional to 71,441.04, 107,153.35 and 18,854.63

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Solution

The fourth proportional to 71,441.04, 107,153.35 and 18,854.63 is: 28,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,441.04 : 107,153.35 = 18,854.63 : x
  2. Step 2: Convert to fraction form
    71,441.04/107,153.35 = 18,854.63/x
  3. Step 3: Cross multiply
    71,441.04x = 107,153.35 × 18,854.63
  4. Step 4: Simplify right side
    71,441.04x = 2,020,336,586.43
  5. Step 5: Solve for x
    x = 2,020,336,586.43/71,441.04
  6. Step 6: Final answer
    x = 28,279.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.