Home / 36,071.71-49,779.21-20,156.83

Finding the Fourth Proportional to 36,071.71, 49,779.21 and 20,156.83

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Solution

The fourth proportional to 36,071.71, 49,779.21 and 20,156.83 is: 27,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,071.71 : 49,779.21 = 20,156.83 : x
  2. Step 2: Convert to fraction form
    36,071.71/49,779.21 = 20,156.83/x
  3. Step 3: Cross multiply
    36,071.71x = 49,779.21 × 20,156.83
  4. Step 4: Simplify right side
    36,071.71x = 1,003,391,073.50
  5. Step 5: Solve for x
    x = 1,003,391,073.50/36,071.71
  6. Step 6: Final answer
    x = 27,816.57

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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.