Home / 39,753.14-54,859.63-21,848.45

Finding the Fourth Proportional to 39,753.14, 54,859.63 and 21,848.45

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Solution

The fourth proportional to 39,753.14, 54,859.63 and 21,848.45 is: 30,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,753.14 : 54,859.63 = 21,848.45 : x
  2. Step 2: Convert to fraction form
    39,753.14/54,859.63 = 21,848.45/x
  3. Step 3: Cross multiply
    39,753.14x = 54,859.63 × 21,848.45
  4. Step 4: Simplify right side
    39,753.14x = 1,198,597,883.07
  5. Step 5: Solve for x
    x = 1,198,597,883.07/39,753.14
  6. Step 6: Final answer
    x = 30,151.02

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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.