Home / 36,888.08-50,897.68-21,778.40

Finding the Fourth Proportional to 36,888.08, 50,897.68 and 21,778.40

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Solution

The fourth proportional to 36,888.08, 50,897.68 and 21,778.40 is: 30,049.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,888.08 : 50,897.68 = 21,778.40 : x
  2. Step 2: Convert to fraction form
    36,888.08/50,897.68 = 21,778.40/x
  3. Step 3: Cross multiply
    36,888.08x = 50,897.68 × 21,778.40
  4. Step 4: Simplify right side
    36,888.08x = 1,108,470,034.11
  5. Step 5: Solve for x
    x = 1,108,470,034.11/36,888.08
  6. Step 6: Final answer
    x = 30,049.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.