Home / 40,722.30-61,010.55-34,890.30

Finding the Fourth Proportional to 40,722.30, 61,010.55 and 34,890.30

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Solution

The fourth proportional to 40,722.30, 61,010.55 and 34,890.30 is: 52,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,722.30 : 61,010.55 = 34,890.30 : x
  2. Step 2: Convert to fraction form
    40,722.30/61,010.55 = 34,890.30/x
  3. Step 3: Cross multiply
    40,722.30x = 61,010.55 × 34,890.30
  4. Step 4: Simplify right side
    40,722.30x = 2,128,676,392.67
  5. Step 5: Solve for x
    x = 2,128,676,392.67/40,722.30
  6. Step 6: Final answer
    x = 52,272.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.