Home / 51,851.10-71,555.85-29,190.90

Finding the Fourth Proportional to 51,851.10, 71,555.85 and 29,190.90

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Solution

The fourth proportional to 51,851.10, 71,555.85 and 29,190.90 is: 40,284.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,851.10 : 71,555.85 = 29,190.90 : x
  2. Step 2: Convert to fraction form
    51,851.10/71,555.85 = 29,190.90/x
  3. Step 3: Cross multiply
    51,851.10x = 71,555.85 × 29,190.90
  4. Step 4: Simplify right side
    51,851.10x = 2,088,779,661.77
  5. Step 5: Solve for x
    x = 2,088,779,661.77/51,851.10
  6. Step 6: Final answer
    x = 40,284.19

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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.