Home / 36,220.17-54,316.95-12,521.64

Finding the Fourth Proportional to 36,220.17, 54,316.95 and 12,521.64

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Solution

The fourth proportional to 36,220.17, 54,316.95 and 12,521.64 is: 18,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220.17 : 54,316.95 = 12,521.64 : x
  2. Step 2: Convert to fraction form
    36,220.17/54,316.95 = 12,521.64/x
  3. Step 3: Cross multiply
    36,220.17x = 54,316.95 × 12,521.64
  4. Step 4: Simplify right side
    36,220.17x = 680,137,293.80
  5. Step 5: Solve for x
    x = 680,137,293.80/36,220.17
  6. Step 6: Final answer
    x = 18,777.86

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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.