Home / 29,331.48-43,619.90-28,397.30

Finding the Fourth Proportional to 29,331.48, 43,619.90 and 28,397.30

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Solution

The fourth proportional to 29,331.48, 43,619.90 and 28,397.30 is: 42,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331.48 : 43,619.90 = 28,397.30 : x
  2. Step 2: Convert to fraction form
    29,331.48/43,619.90 = 28,397.30/x
  3. Step 3: Cross multiply
    29,331.48x = 43,619.90 × 28,397.30
  4. Step 4: Simplify right side
    29,331.48x = 1,238,687,330.47
  5. Step 5: Solve for x
    x = 1,238,687,330.47/29,331.48
  6. Step 6: Final answer
    x = 42,230.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.