Home / 48,531.03-66,973.49-28,399.70

Finding the Fourth Proportional to 48,531.03, 66,973.49 and 28,399.70

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Solution

The fourth proportional to 48,531.03, 66,973.49 and 28,399.70 is: 39,191.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,531.03 : 66,973.49 = 28,399.70 : x
  2. Step 2: Convert to fraction form
    48,531.03/66,973.49 = 28,399.70/x
  3. Step 3: Cross multiply
    48,531.03x = 66,973.49 × 28,399.70
  4. Step 4: Simplify right side
    48,531.03x = 1,902,026,547.09
  5. Step 5: Solve for x
    x = 1,902,026,547.09/48,531.03
  6. Step 6: Final answer
    x = 39,191.97

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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.