Home / 47,381.88-65,390.04-26,161.20

Finding the Fourth Proportional to 47,381.88, 65,390.04 and 26,161.20

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Solution

The fourth proportional to 47,381.88, 65,390.04 and 26,161.20 is: 36,104.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,381.88 : 65,390.04 = 26,161.20 : x
  2. Step 2: Convert to fraction form
    47,381.88/65,390.04 = 26,161.20/x
  3. Step 3: Cross multiply
    47,381.88x = 65,390.04 × 26,161.20
  4. Step 4: Simplify right side
    47,381.88x = 1,710,681,914.45
  5. Step 5: Solve for x
    x = 1,710,681,914.45/47,381.88
  6. Step 6: Final answer
    x = 36,104.14

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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.