Home / 40,891.02-61,343.44-12,805.54

Finding the Fourth Proportional to 40,891.02, 61,343.44 and 12,805.54

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Solution

The fourth proportional to 40,891.02, 61,343.44 and 12,805.54 is: 19,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,891.02 : 61,343.44 = 12,805.54 : x
  2. Step 2: Convert to fraction form
    40,891.02/61,343.44 = 12,805.54/x
  3. Step 3: Cross multiply
    40,891.02x = 61,343.44 × 12,805.54
  4. Step 4: Simplify right side
    40,891.02x = 785,535,874.66
  5. Step 5: Solve for x
    x = 785,535,874.66/40,891.02
  6. Step 6: Final answer
    x = 19,210.47

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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.