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Finding the Fourth Proportional to 67,341.44, 101,013.69 and 19,955.63

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Solution

The fourth proportional to 67,341.44, 101,013.69 and 19,955.63 is: 29,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,341.44 : 101,013.69 = 19,955.63 : x
  2. Step 2: Convert to fraction form
    67,341.44/101,013.69 = 19,955.63/x
  3. Step 3: Cross multiply
    67,341.44x = 101,013.69 × 19,955.63
  4. Step 4: Simplify right side
    67,341.44x = 2,015,791,822.57
  5. Step 5: Solve for x
    x = 2,015,791,822.57/67,341.44
  6. Step 6: Final answer
    x = 29,933.90

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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.