Home / 36,228.30-54,345.15-12,851.70

Finding the Fourth Proportional to 36,228.30, 54,345.15 and 12,851.70

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Solution

The fourth proportional to 36,228.30, 54,345.15 and 12,851.70 is: 19,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,228.30 : 54,345.15 = 12,851.70 : x
  2. Step 2: Convert to fraction form
    36,228.30/54,345.15 = 12,851.70/x
  3. Step 3: Cross multiply
    36,228.30x = 54,345.15 × 12,851.70
  4. Step 4: Simplify right side
    36,228.30x = 698,427,564.26
  5. Step 5: Solve for x
    x = 698,427,564.26/36,228.30
  6. Step 6: Final answer
    x = 19,278.51

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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.