Home / 47,305.72-65,279.22-29,400.27

Finding the Fourth Proportional to 47,305.72, 65,279.22 and 29,400.27

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Solution

The fourth proportional to 47,305.72, 65,279.22 and 29,400.27 is: 40,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,305.72 : 65,279.22 = 29,400.27 : x
  2. Step 2: Convert to fraction form
    47,305.72/65,279.22 = 29,400.27/x
  3. Step 3: Cross multiply
    47,305.72x = 65,279.22 × 29,400.27
  4. Step 4: Simplify right side
    47,305.72x = 1,919,226,338.34
  5. Step 5: Solve for x
    x = 1,919,226,338.34/47,305.72
  6. Step 6: Final answer
    x = 40,570.70

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1.5x scale

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.