Home / 57,986.69-87,013.49-31,332.77

Finding the Fourth Proportional to 57,986.69, 87,013.49 and 31,332.77

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Solution

The fourth proportional to 57,986.69, 87,013.49 and 31,332.77 is: 47,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,986.69 : 87,013.49 = 31,332.77 : x
  2. Step 2: Convert to fraction form
    57,986.69/87,013.49 = 31,332.77/x
  3. Step 3: Cross multiply
    57,986.69x = 87,013.49 × 31,332.77
  4. Step 4: Simplify right side
    57,986.69x = 2,726,373,669.07
  5. Step 5: Solve for x
    x = 2,726,373,669.07/57,986.69
  6. Step 6: Final answer
    x = 47,017.23

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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.