Home / 38,957.76-58,369.68-30,690.72

Finding the Fourth Proportional to 38,957.76, 58,369.68 and 30,690.72

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Solution

The fourth proportional to 38,957.76, 58,369.68 and 30,690.72 is: 45,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,957.76 : 58,369.68 = 30,690.72 : x
  2. Step 2: Convert to fraction form
    38,957.76/58,369.68 = 30,690.72/x
  3. Step 3: Cross multiply
    38,957.76x = 58,369.68 × 30,690.72
  4. Step 4: Simplify right side
    38,957.76x = 1,791,407,505.37
  5. Step 5: Solve for x
    x = 1,791,407,505.37/38,957.76
  6. Step 6: Final answer
    x = 45,983.33

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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.