Home / 70,353.27-105,532.83-20,433.36

Finding the Fourth Proportional to 70,353.27, 105,532.83 and 20,433.36

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Solution

The fourth proportional to 70,353.27, 105,532.83 and 20,433.36 is: 30,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,353.27 : 105,532.83 = 20,433.36 : x
  2. Step 2: Convert to fraction form
    70,353.27/105,532.83 = 20,433.36/x
  3. Step 3: Cross multiply
    70,353.27x = 105,532.83 × 20,433.36
  4. Step 4: Simplify right side
    70,353.27x = 2,156,390,307.21
  5. Step 5: Solve for x
    x = 2,156,390,307.21/70,353.27
  6. Step 6: Final answer
    x = 30,650.89

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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.