Home / 39,832.74-54,970.14-21,926.07

Finding the Fourth Proportional to 39,832.74, 54,970.14 and 21,926.07

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Solution

The fourth proportional to 39,832.74, 54,970.14 and 21,926.07 is: 30,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.74 : 54,970.14 = 21,926.07 : x
  2. Step 2: Convert to fraction form
    39,832.74/54,970.14 = 21,926.07/x
  3. Step 3: Cross multiply
    39,832.74x = 54,970.14 × 21,926.07
  4. Step 4: Simplify right side
    39,832.74x = 1,205,279,137.55
  5. Step 5: Solve for x
    x = 1,205,279,137.55/39,832.74
  6. Step 6: Final answer
    x = 30,258.50

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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.