Home / 53,602.18-73,966.16-29,728.78

Finding the Fourth Proportional to 53,602.18, 73,966.16 and 29,728.78

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Solution

The fourth proportional to 53,602.18, 73,966.16 and 29,728.78 is: 41,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,602.18 : 73,966.16 = 29,728.78 : x
  2. Step 2: Convert to fraction form
    53,602.18/73,966.16 = 29,728.78/x
  3. Step 3: Cross multiply
    53,602.18x = 73,966.16 × 29,728.78
  4. Step 4: Simplify right side
    53,602.18x = 2,198,923,698.08
  5. Step 5: Solve for x
    x = 2,198,923,698.08/53,602.18
  6. Step 6: Final answer
    x = 41,023.03

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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.