Home / 36,222.90-49,988.64-20,307.61

Finding the Fourth Proportional to 36,222.90, 49,988.64 and 20,307.61

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Solution

The fourth proportional to 36,222.90, 49,988.64 and 20,307.61 is: 28,025.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.90 : 49,988.64 = 20,307.61 : x
  2. Step 2: Convert to fraction form
    36,222.90/49,988.64 = 20,307.61/x
  3. Step 3: Cross multiply
    36,222.90x = 49,988.64 × 20,307.61
  4. Step 4: Simplify right side
    36,222.90x = 1,015,149,805.55
  5. Step 5: Solve for x
    x = 1,015,149,805.55/36,222.90
  6. Step 6: Final answer
    x = 28,025.08

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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.