Home / 35,939.16-53,947.08-31,805.46

Finding the Fourth Proportional to 35,939.16, 53,947.08 and 31,805.46

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Solution

The fourth proportional to 35,939.16, 53,947.08 and 31,805.46 is: 47,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,939.16 : 53,947.08 = 31,805.46 : x
  2. Step 2: Convert to fraction form
    35,939.16/53,947.08 = 31,805.46/x
  3. Step 3: Cross multiply
    35,939.16x = 53,947.08 × 31,805.46
  4. Step 4: Simplify right side
    35,939.16x = 1,715,811,695.06
  5. Step 5: Solve for x
    x = 1,715,811,695.06/35,939.16
  6. Step 6: Final answer
    x = 47,742.12

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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.