Home / 38,877.62-58,322.59-12,221.51

Finding the Fourth Proportional to 38,877.62, 58,322.59 and 12,221.51

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Solution

The fourth proportional to 38,877.62, 58,322.59 and 12,221.51 is: 18,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,877.62 : 58,322.59 = 12,221.51 : x
  2. Step 2: Convert to fraction form
    38,877.62/58,322.59 = 12,221.51/x
  3. Step 3: Cross multiply
    38,877.62x = 58,322.59 × 12,221.51
  4. Step 4: Simplify right side
    38,877.62x = 712,789,794.74
  5. Step 5: Solve for x
    x = 712,789,794.74/38,877.62
  6. Step 6: Final answer
    x = 18,334.20

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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.