Home / 44,171.16-66,278.01-21,986.47

Finding the Fourth Proportional to 44,171.16, 66,278.01 and 21,986.47

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Solution

The fourth proportional to 44,171.16, 66,278.01 and 21,986.47 is: 32,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,171.16 : 66,278.01 = 21,986.47 : x
  2. Step 2: Convert to fraction form
    44,171.16/66,278.01 = 21,986.47/x
  3. Step 3: Cross multiply
    44,171.16x = 66,278.01 × 21,986.47
  4. Step 4: Simplify right side
    44,171.16x = 1,457,219,643.82
  5. Step 5: Solve for x
    x = 1,457,219,643.82/44,171.16
  6. Step 6: Final answer
    x = 32,990.30

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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.