Home / 53,660.40-74,052.16-29,788.60

Finding the Fourth Proportional to 53,660.40, 74,052.16 and 29,788.60

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Solution

The fourth proportional to 53,660.40, 74,052.16 and 29,788.60 is: 41,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,660.40 : 74,052.16 = 29,788.60 : x
  2. Step 2: Convert to fraction form
    53,660.40/74,052.16 = 29,788.60/x
  3. Step 3: Cross multiply
    53,660.40x = 74,052.16 × 29,788.60
  4. Step 4: Simplify right side
    53,660.40x = 2,205,910,173.38
  5. Step 5: Solve for x
    x = 2,205,910,173.38/53,660.40
  6. Step 6: Final answer
    x = 41,108.72

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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.