Home / 36,229.89-49,994.31-20,312.16

Finding the Fourth Proportional to 36,229.89, 49,994.31 and 20,312.16

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Solution

The fourth proportional to 36,229.89, 49,994.31 and 20,312.16 is: 28,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,229.89 : 49,994.31 = 20,312.16 : x
  2. Step 2: Convert to fraction form
    36,229.89/49,994.31 = 20,312.16/x
  3. Step 3: Cross multiply
    36,229.89x = 49,994.31 × 20,312.16
  4. Step 4: Simplify right side
    36,229.89x = 1,015,492,423.81
  5. Step 5: Solve for x
    x = 1,015,492,423.81/36,229.89
  6. Step 6: Final answer
    x = 28,029.13

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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.