Home / 38,908.84-58,372.50-12,613.60

Finding the Fourth Proportional to 38,908.84, 58,372.50 and 12,613.60

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Solution

The fourth proportional to 38,908.84, 58,372.50 and 12,613.60 is: 18,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,908.84 : 58,372.50 = 12,613.60 : x
  2. Step 2: Convert to fraction form
    38,908.84/58,372.50 = 12,613.60/x
  3. Step 3: Cross multiply
    38,908.84x = 58,372.50 × 12,613.60
  4. Step 4: Simplify right side
    38,908.84x = 736,287,366
  5. Step 5: Solve for x
    x = 736,287,366/38,908.84
  6. Step 6: Final answer
    x = 18,923.40

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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.