Home / 36,225.28-49,992.80-20,913.84

Finding the Fourth Proportional to 36,225.28, 49,992.80 and 20,913.84

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Solution

The fourth proportional to 36,225.28, 49,992.80 and 20,913.84 is: 28,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,225.28 : 49,992.80 = 20,913.84 : x
  2. Step 2: Convert to fraction form
    36,225.28/49,992.80 = 20,913.84/x
  3. Step 3: Cross multiply
    36,225.28x = 49,992.80 × 20,913.84
  4. Step 4: Simplify right side
    36,225.28x = 1,045,541,420.35
  5. Step 5: Solve for x
    x = 1,045,541,420.35/36,225.28
  6. Step 6: Final answer
    x = 28,862.20

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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.