Home / 36,150.17-53,979.21-31,897.98

Finding the Fourth Proportional to 36,150.17, 53,979.21 and 31,897.98

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Solution

The fourth proportional to 36,150.17, 53,979.21 and 31,897.98 is: 47,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,150.17 : 53,979.21 = 31,897.98 : x
  2. Step 2: Convert to fraction form
    36,150.17/53,979.21 = 31,897.98/x
  3. Step 3: Cross multiply
    36,150.17x = 53,979.21 × 31,897.98
  4. Step 4: Simplify right side
    36,150.17x = 1,721,827,761.00
  5. Step 5: Solve for x
    x = 1,721,827,761.00/36,150.17
  6. Step 6: Final answer
    x = 47,629.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.