Home / 44,387.04-66,573.24-13,215

Finding the Fourth Proportional to 44,387.04, 66,573.24 and 13,215

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Solution

The fourth proportional to 44,387.04, 66,573.24 and 13,215 is: 19,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,387.04 : 66,573.24 = 13,215 : x
  2. Step 2: Convert to fraction form
    44,387.04/66,573.24 = 13,215/x
  3. Step 3: Cross multiply
    44,387.04x = 66,573.24 × 13,215
  4. Step 4: Simplify right side
    44,387.04x = 879,765,366.60
  5. Step 5: Solve for x
    x = 879,765,366.60/44,387.04
  6. Step 6: Final answer
    x = 19,820.32

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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.