Home / 36,001.71-49,674.40-20,885.61

Finding the Fourth Proportional to 36,001.71, 49,674.40 and 20,885.61

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Solution

The fourth proportional to 36,001.71, 49,674.40 and 20,885.61 is: 28,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,001.71 : 49,674.40 = 20,885.61 : x
  2. Step 2: Convert to fraction form
    36,001.71/49,674.40 = 20,885.61/x
  3. Step 3: Cross multiply
    36,001.71x = 49,674.40 × 20,885.61
  4. Step 4: Simplify right side
    36,001.71x = 1,037,479,897.01
  5. Step 5: Solve for x
    x = 1,037,479,897.01/36,001.71
  6. Step 6: Final answer
    x = 28,817.52

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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.