Home / 20,035.52-30,040.80-8,941.76

Finding the Fourth Proportional to 20,035.52, 30,040.80 and 8,941.76

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Solution

The fourth proportional to 20,035.52, 30,040.80 and 8,941.76 is: 13,407.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.52 : 30,040.80 = 8,941.76 : x
  2. Step 2: Convert to fraction form
    20,035.52/30,040.80 = 8,941.76/x
  3. Step 3: Cross multiply
    20,035.52x = 30,040.80 × 8,941.76
  4. Step 4: Simplify right side
    20,035.52x = 268,617,623.81
  5. Step 5: Solve for x
    x = 268,617,623.81/20,035.52
  6. Step 6: Final answer
    x = 13,407.07

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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.