Home / 36,222.48-49,989.12-20,312.04

Finding the Fourth Proportional to 36,222.48, 49,989.12 and 20,312.04

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Solution

The fourth proportional to 36,222.48, 49,989.12 and 20,312.04 is: 28,031.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.48 : 49,989.12 = 20,312.04 : x
  2. Step 2: Convert to fraction form
    36,222.48/49,989.12 = 20,312.04/x
  3. Step 3: Cross multiply
    36,222.48x = 49,989.12 × 20,312.04
  4. Step 4: Simplify right side
    36,222.48x = 1,015,381,005.00
  5. Step 5: Solve for x
    x = 1,015,381,005.00/36,222.48
  6. Step 6: Final answer
    x = 28,031.79

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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.