Home / 52,255.09-72,112.44-28,381.86

Finding the Fourth Proportional to 52,255.09, 72,112.44 and 28,381.86

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Solution

The fourth proportional to 52,255.09, 72,112.44 and 28,381.86 is: 39,167.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,255.09 : 72,112.44 = 28,381.86 : x
  2. Step 2: Convert to fraction form
    52,255.09/72,112.44 = 28,381.86/x
  3. Step 3: Cross multiply
    52,255.09x = 72,112.44 × 28,381.86
  4. Step 4: Simplify right side
    52,255.09x = 2,046,685,282.77
  5. Step 5: Solve for x
    x = 2,046,685,282.77/52,255.09
  6. Step 6: Final answer
    x = 39,167.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.