Home / 20,490.59-30,735.92-5,699.52

Finding the Fourth Proportional to 20,490.59, 30,735.92 and 5,699.52

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Solution

The fourth proportional to 20,490.59, 30,735.92 and 5,699.52 is: 8,549.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,490.59 : 30,735.92 = 5,699.52 : x
  2. Step 2: Convert to fraction form
    20,490.59/30,735.92 = 5,699.52/x
  3. Step 3: Cross multiply
    20,490.59x = 30,735.92 × 5,699.52
  4. Step 4: Simplify right side
    20,490.59x = 175,179,962.26
  5. Step 5: Solve for x
    x = 175,179,962.26/20,490.59
  6. Step 6: Final answer
    x = 8,549.29

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1.5x scale

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.