Home / 47,377.08-65,391.26-29,485.80

Finding the Fourth Proportional to 47,377.08, 65,391.26 and 29,485.80

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Solution

The fourth proportional to 47,377.08, 65,391.26 and 29,485.80 is: 40,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,377.08 : 65,391.26 = 29,485.80 : x
  2. Step 2: Convert to fraction form
    47,377.08/65,391.26 = 29,485.80/x
  3. Step 3: Cross multiply
    47,377.08x = 65,391.26 × 29,485.80
  4. Step 4: Simplify right side
    47,377.08x = 1,928,113,614.11
  5. Step 5: Solve for x
    x = 1,928,113,614.11/47,377.08
  6. Step 6: Final answer
    x = 40,697.18

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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.