Home / 38,988.92-58,465.14-16,801.40

Finding the Fourth Proportional to 38,988.92, 58,465.14 and 16,801.40

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Solution

The fourth proportional to 38,988.92, 58,465.14 and 16,801.40 is: 25,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988.92 : 58,465.14 = 16,801.40 : x
  2. Step 2: Convert to fraction form
    38,988.92/58,465.14 = 16,801.40/x
  3. Step 3: Cross multiply
    38,988.92x = 58,465.14 × 16,801.40
  4. Step 4: Simplify right side
    38,988.92x = 982,296,203.20
  5. Step 5: Solve for x
    x = 982,296,203.20/38,988.92
  6. Step 6: Final answer
    x = 25,194.24

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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.