Home / 36,416.13-54,641.21-18,876.39

Finding the Fourth Proportional to 36,416.13, 54,641.21 and 18,876.39

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Solution

The fourth proportional to 36,416.13, 54,641.21 and 18,876.39 is: 28,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,416.13 : 54,641.21 = 18,876.39 : x
  2. Step 2: Convert to fraction form
    36,416.13/54,641.21 = 18,876.39/x
  3. Step 3: Cross multiply
    36,416.13x = 54,641.21 × 18,876.39
  4. Step 4: Simplify right side
    36,416.13x = 1,031,428,695.65
  5. Step 5: Solve for x
    x = 1,031,428,695.65/36,416.13
  6. Step 6: Final answer
    x = 28,323.40

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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.