Home / 47,341.11-65,379.33-39,303.87

Finding the Fourth Proportional to 47,341.11, 65,379.33 and 39,303.87

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Solution

The fourth proportional to 47,341.11, 65,379.33 and 39,303.87 is: 54,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,341.11 : 65,379.33 = 39,303.87 : x
  2. Step 2: Convert to fraction form
    47,341.11/65,379.33 = 39,303.87/x
  3. Step 3: Cross multiply
    47,341.11x = 65,379.33 × 39,303.87
  4. Step 4: Simplify right side
    47,341.11x = 2,569,660,687.01
  5. Step 5: Solve for x
    x = 2,569,660,687.01/47,341.11
  6. Step 6: Final answer
    x = 54,279.69

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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.