Home / 67,263.27-100,904.69-20,510.07

Finding the Fourth Proportional to 67,263.27, 100,904.69 and 20,510.07

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Solution

The fourth proportional to 67,263.27, 100,904.69 and 20,510.07 is: 30,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,263.27 : 100,904.69 = 20,510.07 : x
  2. Step 2: Convert to fraction form
    67,263.27/100,904.69 = 20,510.07/x
  3. Step 3: Cross multiply
    67,263.27x = 100,904.69 × 20,510.07
  4. Step 4: Simplify right side
    67,263.27x = 2,069,562,152.68
  5. Step 5: Solve for x
    x = 2,069,562,152.68/67,263.27
  6. Step 6: Final answer
    x = 30,768.09

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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.