Home / 36,645.40-54,972.48-12,948.04

Finding the Fourth Proportional to 36,645.40, 54,972.48 and 12,948.04

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Solution

The fourth proportional to 36,645.40, 54,972.48 and 12,948.04 is: 19,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,645.40 : 54,972.48 = 12,948.04 : x
  2. Step 2: Convert to fraction form
    36,645.40/54,972.48 = 12,948.04/x
  3. Step 3: Cross multiply
    36,645.40x = 54,972.48 × 12,948.04
  4. Step 4: Simplify right side
    36,645.40x = 711,785,869.94
  5. Step 5: Solve for x
    x = 711,785,869.94/36,645.40
  6. Step 6: Final answer
    x = 19,423.61

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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.