Home / 40,842.72-61,263.90-11,260.80

Finding the Fourth Proportional to 40,842.72, 61,263.90 and 11,260.80

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Solution

The fourth proportional to 40,842.72, 61,263.90 and 11,260.80 is: 16,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,842.72 : 61,263.90 = 11,260.80 : x
  2. Step 2: Convert to fraction form
    40,842.72/61,263.90 = 11,260.80/x
  3. Step 3: Cross multiply
    40,842.72x = 61,263.90 × 11,260.80
  4. Step 4: Simplify right side
    40,842.72x = 689,880,525.12
  5. Step 5: Solve for x
    x = 689,880,525.12/40,842.72
  6. Step 6: Final answer
    x = 16,891.15

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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.