Home / 71,458.14-107,152.58-21,528.92

Finding the Fourth Proportional to 71,458.14, 107,152.58 and 21,528.92

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Solution

The fourth proportional to 71,458.14, 107,152.58 and 21,528.92 is: 32,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,458.14 : 107,152.58 = 21,528.92 : x
  2. Step 2: Convert to fraction form
    71,458.14/107,152.58 = 21,528.92/x
  3. Step 3: Cross multiply
    71,458.14x = 107,152.58 × 21,528.92
  4. Step 4: Simplify right side
    71,458.14x = 2,306,879,322.61
  5. Step 5: Solve for x
    x = 2,306,879,322.61/71,458.14
  6. Step 6: Final answer
    x = 32,282.95

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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.