Home / 53,549.40-73,899.66-29,678.70

Finding the Fourth Proportional to 53,549.40, 73,899.66 and 29,678.70

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Solution

The fourth proportional to 53,549.40, 73,899.66 and 29,678.70 is: 40,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,549.40 : 73,899.66 = 29,678.70 : x
  2. Step 2: Convert to fraction form
    53,549.40/73,899.66 = 29,678.70/x
  3. Step 3: Cross multiply
    53,549.40x = 73,899.66 × 29,678.70
  4. Step 4: Simplify right side
    53,549.40x = 2,193,245,839.24
  5. Step 5: Solve for x
    x = 2,193,245,839.24/53,549.40
  6. Step 6: Final answer
    x = 40,957.43

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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.