Home / 51,191.19-70,645.23-29,391.12

Finding the Fourth Proportional to 51,191.19, 70,645.23 and 29,391.12

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Solution

The fourth proportional to 51,191.19, 70,645.23 and 29,391.12 is: 40,560.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,191.19 : 70,645.23 = 29,391.12 : x
  2. Step 2: Convert to fraction form
    51,191.19/70,645.23 = 29,391.12/x
  3. Step 3: Cross multiply
    51,191.19x = 70,645.23 × 29,391.12
  4. Step 4: Simplify right side
    51,191.19x = 2,076,342,432.36
  5. Step 5: Solve for x
    x = 2,076,342,432.36/51,191.19
  6. Step 6: Final answer
    x = 40,560.54

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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.