Home / 36,218.16-49,981-20,302.62

Finding the Fourth Proportional to 36,218.16, 49,981 and 20,302.62

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Solution

The fourth proportional to 36,218.16, 49,981 and 20,302.62 is: 28,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,218.16 : 49,981 = 20,302.62 : x
  2. Step 2: Convert to fraction form
    36,218.16/49,981 = 20,302.62/x
  3. Step 3: Cross multiply
    36,218.16x = 49,981 × 20,302.62
  4. Step 4: Simplify right side
    36,218.16x = 1,014,745,250.22
  5. Step 5: Solve for x
    x = 1,014,745,250.22/36,218.16
  6. Step 6: Final answer
    x = 28,017.58

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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.