Home / 38,918.55-58,351.15-13,958.06

Finding the Fourth Proportional to 38,918.55, 58,351.15 and 13,958.06

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Solution

The fourth proportional to 38,918.55, 58,351.15 and 13,958.06 is: 20,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,918.55 : 58,351.15 = 13,958.06 : x
  2. Step 2: Convert to fraction form
    38,918.55/58,351.15 = 13,958.06/x
  3. Step 3: Cross multiply
    38,918.55x = 58,351.15 × 13,958.06
  4. Step 4: Simplify right side
    38,918.55x = 814,468,852.77
  5. Step 5: Solve for x
    x = 814,468,852.77/38,918.55
  6. Step 6: Final answer
    x = 20,927.52

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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.