Home / 36,242.30-54,368.85-12,866.78

Finding the Fourth Proportional to 36,242.30, 54,368.85 and 12,866.78

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Solution

The fourth proportional to 36,242.30, 54,368.85 and 12,866.78 is: 19,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,242.30 : 54,368.85 = 12,866.78 : x
  2. Step 2: Convert to fraction form
    36,242.30/54,368.85 = 12,866.78/x
  3. Step 3: Cross multiply
    36,242.30x = 54,368.85 × 12,866.78
  4. Step 4: Simplify right side
    36,242.30x = 699,552,031.80
  5. Step 5: Solve for x
    x = 699,552,031.80/36,242.30
  6. Step 6: Final answer
    x = 19,302.09

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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.