Home / 38,778.04-58,178.73-13,814.83

Finding the Fourth Proportional to 38,778.04, 58,178.73 and 13,814.83

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Solution

The fourth proportional to 38,778.04, 58,178.73 and 13,814.83 is: 20,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,778.04 : 58,178.73 = 13,814.83 : x
  2. Step 2: Convert to fraction form
    38,778.04/58,178.73 = 13,814.83/x
  3. Step 3: Cross multiply
    38,778.04x = 58,178.73 × 13,814.83
  4. Step 4: Simplify right side
    38,778.04x = 803,729,264.57
  5. Step 5: Solve for x
    x = 803,729,264.57/38,778.04
  6. Step 6: Final answer
    x = 20,726.40

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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.