Home / 38,948.12-58,424.12-18,975.96

Finding the Fourth Proportional to 38,948.12, 58,424.12 and 18,975.96

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Solution

The fourth proportional to 38,948.12, 58,424.12 and 18,975.96 is: 28,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,948.12 : 58,424.12 = 18,975.96 : x
  2. Step 2: Convert to fraction form
    38,948.12/58,424.12 = 18,975.96/x
  3. Step 3: Cross multiply
    38,948.12x = 58,424.12 × 18,975.96
  4. Step 4: Simplify right side
    38,948.12x = 1,108,653,764.16
  5. Step 5: Solve for x
    x = 1,108,653,764.16/38,948.12
  6. Step 6: Final answer
    x = 28,464.89

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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.