Home / 36,490.74-54,703.17-13,111.71

Finding the Fourth Proportional to 36,490.74, 54,703.17 and 13,111.71

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Solution

The fourth proportional to 36,490.74, 54,703.17 and 13,111.71 is: 19,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.74 : 54,703.17 = 13,111.71 : x
  2. Step 2: Convert to fraction form
    36,490.74/54,703.17 = 13,111.71/x
  3. Step 3: Cross multiply
    36,490.74x = 54,703.17 × 13,111.71
  4. Step 4: Simplify right side
    36,490.74x = 717,251,762.05
  5. Step 5: Solve for x
    x = 717,251,762.05/36,490.74
  6. Step 6: Final answer
    x = 19,655.72

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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.