Home / 39,832.56-54,967.03-21,927.19

Finding the Fourth Proportional to 39,832.56, 54,967.03 and 21,927.19

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Solution

The fourth proportional to 39,832.56, 54,967.03 and 21,927.19 is: 30,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.56 : 54,967.03 = 21,927.19 : x
  2. Step 2: Convert to fraction form
    39,832.56/54,967.03 = 21,927.19/x
  3. Step 3: Cross multiply
    39,832.56x = 54,967.03 × 21,927.19
  4. Step 4: Simplify right side
    39,832.56x = 1,205,272,510.55
  5. Step 5: Solve for x
    x = 1,205,272,510.55/39,832.56
  6. Step 6: Final answer
    x = 30,258.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.