Home / 29,456.31-40,648.98-16,880.25

Finding the Fourth Proportional to 29,456.31, 40,648.98 and 16,880.25

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Solution

The fourth proportional to 29,456.31, 40,648.98 and 16,880.25 is: 23,294.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,456.31 : 40,648.98 = 16,880.25 : x
  2. Step 2: Convert to fraction form
    29,456.31/40,648.98 = 16,880.25/x
  3. Step 3: Cross multiply
    29,456.31x = 40,648.98 × 16,880.25
  4. Step 4: Simplify right side
    29,456.31x = 686,164,944.65
  5. Step 5: Solve for x
    x = 686,164,944.65/29,456.31
  6. Step 6: Final answer
    x = 23,294.33

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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.