Home / 51,580.02-77,374.16-21,998.13

Finding the Fourth Proportional to 51,580.02, 77,374.16 and 21,998.13

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Solution

The fourth proportional to 51,580.02, 77,374.16 and 21,998.13 is: 32,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,580.02 : 77,374.16 = 21,998.13 : x
  2. Step 2: Convert to fraction form
    51,580.02/77,374.16 = 21,998.13/x
  3. Step 3: Cross multiply
    51,580.02x = 77,374.16 × 21,998.13
  4. Step 4: Simplify right side
    51,580.02x = 1,702,086,720.33
  5. Step 5: Solve for x
    x = 1,702,086,720.33/51,580.02
  6. Step 6: Final answer
    x = 32,998.95

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Double scale
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Similar ratio
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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.