Home / 36,117.12-54,184.32-12,737.28

Finding the Fourth Proportional to 36,117.12, 54,184.32 and 12,737.28

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Solution

The fourth proportional to 36,117.12, 54,184.32 and 12,737.28 is: 19,108.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,117.12 : 54,184.32 = 12,737.28 : x
  2. Step 2: Convert to fraction form
    36,117.12/54,184.32 = 12,737.28/x
  3. Step 3: Cross multiply
    36,117.12x = 54,184.32 × 12,737.28
  4. Step 4: Simplify right side
    36,117.12x = 690,160,855.45
  5. Step 5: Solve for x
    x = 690,160,855.45/36,117.12
  6. Step 6: Final answer
    x = 19,108.97

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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.