Home / 38,913.48-58,378.42-12,616.18

Finding the Fourth Proportional to 38,913.48, 58,378.42 and 12,616.18

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Solution

The fourth proportional to 38,913.48, 58,378.42 and 12,616.18 is: 18,926.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,913.48 : 58,378.42 = 12,616.18 : x
  2. Step 2: Convert to fraction form
    38,913.48/58,378.42 = 12,616.18/x
  3. Step 3: Cross multiply
    38,913.48x = 58,378.42 × 12,616.18
  4. Step 4: Simplify right side
    38,913.48x = 736,512,524.66
  5. Step 5: Solve for x
    x = 736,512,524.66/38,913.48
  6. Step 6: Final answer
    x = 18,926.93

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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.