Home / 38,776.39-58,169.54-13,818.96

Finding the Fourth Proportional to 38,776.39, 58,169.54 and 13,818.96

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Solution

The fourth proportional to 38,776.39, 58,169.54 and 13,818.96 is: 20,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,776.39 : 58,169.54 = 13,818.96 : x
  2. Step 2: Convert to fraction form
    38,776.39/58,169.54 = 13,818.96/x
  3. Step 3: Cross multiply
    38,776.39x = 58,169.54 × 13,818.96
  4. Step 4: Simplify right side
    38,776.39x = 803,842,621.93
  5. Step 5: Solve for x
    x = 803,842,621.93/38,776.39
  6. Step 6: Final answer
    x = 20,730.21

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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.