Home / 38,918.05-58,350.40-13,957.56

Finding the Fourth Proportional to 38,918.05, 58,350.40 and 13,957.56

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Solution

The fourth proportional to 38,918.05, 58,350.40 and 13,957.56 is: 20,926.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,918.05 : 58,350.40 = 13,957.56 : x
  2. Step 2: Convert to fraction form
    38,918.05/58,350.40 = 13,957.56/x
  3. Step 3: Cross multiply
    38,918.05x = 58,350.40 × 13,957.56
  4. Step 4: Simplify right side
    38,918.05x = 814,429,209.02
  5. Step 5: Solve for x
    x = 814,429,209.02/38,918.05
  6. Step 6: Final answer
    x = 20,926.77

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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.