Home / 42,804.48-64,195.20-15,098.88

Finding the Fourth Proportional to 42,804.48, 64,195.20 and 15,098.88

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Solution

The fourth proportional to 42,804.48, 64,195.20 and 15,098.88 is: 22,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,804.48 : 64,195.20 = 15,098.88 : x
  2. Step 2: Convert to fraction form
    42,804.48/64,195.20 = 15,098.88/x
  3. Step 3: Cross multiply
    42,804.48x = 64,195.20 × 15,098.88
  4. Step 4: Simplify right side
    42,804.48x = 969,275,621.38
  5. Step 5: Solve for x
    x = 969,275,621.38/42,804.48
  6. Step 6: Final answer
    x = 22,644.26

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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.