Home / 36,260.13-54,390.19-12,887.49

Finding the Fourth Proportional to 36,260.13, 54,390.19 and 12,887.49

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Solution

The fourth proportional to 36,260.13, 54,390.19 and 12,887.49 is: 19,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,260.13 : 54,390.19 = 12,887.49 : x
  2. Step 2: Convert to fraction form
    36,260.13/54,390.19 = 12,887.49/x
  3. Step 3: Cross multiply
    36,260.13x = 54,390.19 × 12,887.49
  4. Step 4: Simplify right side
    36,260.13x = 700,953,029.72
  5. Step 5: Solve for x
    x = 700,953,029.72/36,260.13
  6. Step 6: Final answer
    x = 19,331.23

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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.