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Finding the Fourth Proportional to 70,006.70, 105,030.39 and 22,620.80

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Solution

The fourth proportional to 70,006.70, 105,030.39 and 22,620.80 is: 33,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,006.70 : 105,030.39 = 22,620.80 : x
  2. Step 2: Convert to fraction form
    70,006.70/105,030.39 = 22,620.80/x
  3. Step 3: Cross multiply
    70,006.70x = 105,030.39 × 22,620.80
  4. Step 4: Simplify right side
    70,006.70x = 2,375,871,446.11
  5. Step 5: Solve for x
    x = 2,375,871,446.11/70,006.70
  6. Step 6: Final answer
    x = 33,937.77

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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.