Home / 46,253.20-69,359.28-21,287.20

Finding the Fourth Proportional to 46,253.20, 69,359.28 and 21,287.20

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Solution

The fourth proportional to 46,253.20, 69,359.28 and 21,287.20 is: 31,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,253.20 : 69,359.28 = 21,287.20 : x
  2. Step 2: Convert to fraction form
    46,253.20/69,359.28 = 21,287.20/x
  3. Step 3: Cross multiply
    46,253.20x = 69,359.28 × 21,287.20
  4. Step 4: Simplify right side
    46,253.20x = 1,476,464,865.22
  5. Step 5: Solve for x
    x = 1,476,464,865.22/46,253.20
  6. Step 6: Final answer
    x = 31,921.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.