Home / 53,659.86-74,049.06-29,460.78

Finding the Fourth Proportional to 53,659.86, 74,049.06 and 29,460.78

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Solution

The fourth proportional to 53,659.86, 74,049.06 and 29,460.78 is: 40,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,659.86 : 74,049.06 = 29,460.78 : x
  2. Step 2: Convert to fraction form
    53,659.86/74,049.06 = 29,460.78/x
  3. Step 3: Cross multiply
    53,659.86x = 74,049.06 × 29,460.78
  4. Step 4: Simplify right side
    53,659.86x = 2,181,543,065.87
  5. Step 5: Solve for x
    x = 2,181,543,065.87/53,659.86
  6. Step 6: Final answer
    x = 40,655.03

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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.