Home / 36,155.79-49,859.94-28,195.11

Finding the Fourth Proportional to 36,155.79, 49,859.94 and 28,195.11

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Solution

The fourth proportional to 36,155.79, 49,859.94 and 28,195.11 is: 38,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,155.79 : 49,859.94 = 28,195.11 : x
  2. Step 2: Convert to fraction form
    36,155.79/49,859.94 = 28,195.11/x
  3. Step 3: Cross multiply
    36,155.79x = 49,859.94 × 28,195.11
  4. Step 4: Simplify right side
    36,155.79x = 1,405,806,492.89
  5. Step 5: Solve for x
    x = 1,405,806,492.89/36,155.79
  6. Step 6: Final answer
    x = 38,881.92

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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.