Home / 87,862.07-131,791.93-21,302.80

Finding the Fourth Proportional to 87,862.07, 131,791.93 and 21,302.80

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Solution

The fourth proportional to 87,862.07, 131,791.93 and 21,302.80 is: 31,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,862.07 : 131,791.93 = 21,302.80 : x
  2. Step 2: Convert to fraction form
    87,862.07/131,791.93 = 21,302.80/x
  3. Step 3: Cross multiply
    87,862.07x = 131,791.93 × 21,302.80
  4. Step 4: Simplify right side
    87,862.07x = 2,807,537,126.40
  5. Step 5: Solve for x
    x = 2,807,537,126.40/87,862.07
  6. Step 6: Final answer
    x = 31,953.92

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1.5x scale

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.