Home / 38,651.04-53,339.76-22,517.28

Finding the Fourth Proportional to 38,651.04, 53,339.76 and 22,517.28

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Solution

The fourth proportional to 38,651.04, 53,339.76 and 22,517.28 is: 31,074.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,651.04 : 53,339.76 = 22,517.28 : x
  2. Step 2: Convert to fraction form
    38,651.04/53,339.76 = 22,517.28/x
  3. Step 3: Cross multiply
    38,651.04x = 53,339.76 × 22,517.28
  4. Step 4: Simplify right side
    38,651.04x = 1,201,066,311.05
  5. Step 5: Solve for x
    x = 1,201,066,311.05/38,651.04
  6. Step 6: Final answer
    x = 31,074.62

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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.