Home / 36,261.13-54,391.69-12,888.49

Finding the Fourth Proportional to 36,261.13, 54,391.69 and 12,888.49

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Solution

The fourth proportional to 36,261.13, 54,391.69 and 12,888.49 is: 19,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,261.13 : 54,391.69 = 12,888.49 : x
  2. Step 2: Convert to fraction form
    36,261.13/54,391.69 = 12,888.49/x
  3. Step 3: Cross multiply
    36,261.13x = 54,391.69 × 12,888.49
  4. Step 4: Simplify right side
    36,261.13x = 701,026,752.65
  5. Step 5: Solve for x
    x = 701,026,752.65/36,261.13
  6. Step 6: Final answer
    x = 19,332.73

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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.