Home / 39,901.61-55,066.55-22,905.88

Finding the Fourth Proportional to 39,901.61, 55,066.55 and 22,905.88

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Solution

The fourth proportional to 39,901.61, 55,066.55 and 22,905.88 is: 31,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,901.61 : 55,066.55 = 22,905.88 : x
  2. Step 2: Convert to fraction form
    39,901.61/55,066.55 = 22,905.88/x
  3. Step 3: Cross multiply
    39,901.61x = 55,066.55 × 22,905.88
  4. Step 4: Simplify right side
    39,901.61x = 1,261,347,534.12
  5. Step 5: Solve for x
    x = 1,261,347,534.12/39,901.61
  6. Step 6: Final answer
    x = 31,611.44

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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.