Home / 34,181.28-47,155.61-21,425.75

Finding the Fourth Proportional to 34,181.28, 47,155.61 and 21,425.75

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Solution

The fourth proportional to 34,181.28, 47,155.61 and 21,425.75 is: 29,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,181.28 : 47,155.61 = 21,425.75 : x
  2. Step 2: Convert to fraction form
    34,181.28/47,155.61 = 21,425.75/x
  3. Step 3: Cross multiply
    34,181.28x = 47,155.61 × 21,425.75
  4. Step 4: Simplify right side
    34,181.28x = 1,010,343,968.05
  5. Step 5: Solve for x
    x = 1,010,343,968.05/34,181.28
  6. Step 6: Final answer
    x = 29,558.40

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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.