Home / 47,130.08-65,033.22-29,218.56

Finding the Fourth Proportional to 47,130.08, 65,033.22 and 29,218.56

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Solution

The fourth proportional to 47,130.08, 65,033.22 and 29,218.56 is: 40,317.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,130.08 : 65,033.22 = 29,218.56 : x
  2. Step 2: Convert to fraction form
    47,130.08/65,033.22 = 29,218.56/x
  3. Step 3: Cross multiply
    47,130.08x = 65,033.22 × 29,218.56
  4. Step 4: Simplify right side
    47,130.08x = 1,900,177,040.56
  5. Step 5: Solve for x
    x = 1,900,177,040.56/47,130.08
  6. Step 6: Final answer
    x = 40,317.71

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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.