Home / 47,176.12-65,119.04-29,281.60

Finding the Fourth Proportional to 47,176.12, 65,119.04 and 29,281.60

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Solution

The fourth proportional to 47,176.12, 65,119.04 and 29,281.60 is: 40,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,176.12 : 65,119.04 = 29,281.60 : x
  2. Step 2: Convert to fraction form
    47,176.12/65,119.04 = 29,281.60/x
  3. Step 3: Cross multiply
    47,176.12x = 65,119.04 × 29,281.60
  4. Step 4: Simplify right side
    47,176.12x = 1,906,789,681.66
  5. Step 5: Solve for x
    x = 1,906,789,681.66/47,176.12
  6. Step 6: Final answer
    x = 40,418.54

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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.