Home / 31,442.52-43,385.90-17,829.81

Finding the Fourth Proportional to 31,442.52, 43,385.90 and 17,829.81

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Solution

The fourth proportional to 31,442.52, 43,385.90 and 17,829.81 is: 24,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.52 : 43,385.90 = 17,829.81 : x
  2. Step 2: Convert to fraction form
    31,442.52/43,385.90 = 17,829.81/x
  3. Step 3: Cross multiply
    31,442.52x = 43,385.90 × 17,829.81
  4. Step 4: Simplify right side
    31,442.52x = 773,562,353.68
  5. Step 5: Solve for x
    x = 773,562,353.68/31,442.52
  6. Step 6: Final answer
    x = 24,602.43

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1.5x scale

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.