Home / 36,170.98-54,259.07-12,478.18

Finding the Fourth Proportional to 36,170.98, 54,259.07 and 12,478.18

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Solution

The fourth proportional to 36,170.98, 54,259.07 and 12,478.18 is: 18,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,170.98 : 54,259.07 = 12,478.18 : x
  2. Step 2: Convert to fraction form
    36,170.98/54,259.07 = 12,478.18/x
  3. Step 3: Cross multiply
    36,170.98x = 54,259.07 × 12,478.18
  4. Step 4: Simplify right side
    36,170.98x = 677,054,345.79
  5. Step 5: Solve for x
    x = 677,054,345.79/36,170.98
  6. Step 6: Final answer
    x = 18,718.16

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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.