Home / 61,089.20-84,302.40-34,232.80

Finding the Fourth Proportional to 61,089.20, 84,302.40 and 34,232.80

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Solution

The fourth proportional to 61,089.20, 84,302.40 and 34,232.80 is: 47,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,089.20 : 84,302.40 = 34,232.80 : x
  2. Step 2: Convert to fraction form
    61,089.20/84,302.40 = 34,232.80/x
  3. Step 3: Cross multiply
    61,089.20x = 84,302.40 × 34,232.80
  4. Step 4: Simplify right side
    61,089.20x = 2,885,907,198.72
  5. Step 5: Solve for x
    x = 2,885,907,198.72/61,089.20
  6. Step 6: Final answer
    x = 47,240.87

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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.