Home / 50,815.13-70,125.45-28,154.48

Finding the Fourth Proportional to 50,815.13, 70,125.45 and 28,154.48

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Solution

The fourth proportional to 50,815.13, 70,125.45 and 28,154.48 is: 38,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,815.13 : 70,125.45 = 28,154.48 : x
  2. Step 2: Convert to fraction form
    50,815.13/70,125.45 = 28,154.48/x
  3. Step 3: Cross multiply
    50,815.13x = 70,125.45 × 28,154.48
  4. Step 4: Simplify right side
    50,815.13x = 1,974,345,517.77
  5. Step 5: Solve for x
    x = 1,974,345,517.77/50,815.13
  6. Step 6: Final answer
    x = 38,853.50

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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.