Home / 36,298.80-54,376.20-31,969.20

Finding the Fourth Proportional to 36,298.80, 54,376.20 and 31,969.20

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Solution

The fourth proportional to 36,298.80, 54,376.20 and 31,969.20 is: 47,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,298.80 : 54,376.20 = 31,969.20 : x
  2. Step 2: Convert to fraction form
    36,298.80/54,376.20 = 31,969.20/x
  3. Step 3: Cross multiply
    36,298.80x = 54,376.20 × 31,969.20
  4. Step 4: Simplify right side
    36,298.80x = 1,738,363,613.04
  5. Step 5: Solve for x
    x = 1,738,363,613.04/36,298.80
  6. Step 6: Final answer
    x = 47,890.39

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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.