Home / 53,047.31-79,498.46-29,319.71

Finding the Fourth Proportional to 53,047.31, 79,498.46 and 29,319.71

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Solution

The fourth proportional to 53,047.31, 79,498.46 and 29,319.71 is: 43,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,047.31 : 79,498.46 = 29,319.71 : x
  2. Step 2: Convert to fraction form
    53,047.31/79,498.46 = 29,319.71/x
  3. Step 3: Cross multiply
    53,047.31x = 79,498.46 × 29,319.71
  4. Step 4: Simplify right side
    53,047.31x = 2,330,871,468.45
  5. Step 5: Solve for x
    x = 2,330,871,468.45/53,047.31
  6. Step 6: Final answer
    x = 43,939.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.