Home / 39,449.52-54,440.64-21,544.20

Finding the Fourth Proportional to 39,449.52, 54,440.64 and 21,544.20

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Solution

The fourth proportional to 39,449.52, 54,440.64 and 21,544.20 is: 29,731.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,449.52 : 54,440.64 = 21,544.20 : x
  2. Step 2: Convert to fraction form
    39,449.52/54,440.64 = 21,544.20/x
  3. Step 3: Cross multiply
    39,449.52x = 54,440.64 × 21,544.20
  4. Step 4: Simplify right side
    39,449.52x = 1,172,880,036.29
  5. Step 5: Solve for x
    x = 1,172,880,036.29/39,449.52
  6. Step 6: Final answer
    x = 29,731.16

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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.