Home / 48,349.31-66,722.13-27,128.52

Finding the Fourth Proportional to 48,349.31, 66,722.13 and 27,128.52

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Solution

The fourth proportional to 48,349.31, 66,722.13 and 27,128.52 is: 37,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,349.31 : 66,722.13 = 27,128.52 : x
  2. Step 2: Convert to fraction form
    48,349.31/66,722.13 = 27,128.52/x
  3. Step 3: Cross multiply
    48,349.31x = 66,722.13 × 27,128.52
  4. Step 4: Simplify right side
    48,349.31x = 1,810,072,638.15
  5. Step 5: Solve for x
    x = 1,810,072,638.15/48,349.31
  6. Step 6: Final answer
    x = 37,437.41

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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.