Home / 20,056.16-30,081.76-10,202.52

Finding the Fourth Proportional to 20,056.16, 30,081.76 and 10,202.52

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Solution

The fourth proportional to 20,056.16, 30,081.76 and 10,202.52 is: 15,302.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.16 : 30,081.76 = 10,202.52 : x
  2. Step 2: Convert to fraction form
    20,056.16/30,081.76 = 10,202.52/x
  3. Step 3: Cross multiply
    20,056.16x = 30,081.76 × 10,202.52
  4. Step 4: Simplify right side
    20,056.16x = 306,909,758.04
  5. Step 5: Solve for x
    x = 306,909,758.04/20,056.16
  6. Step 6: Final answer
    x = 15,302.52

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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.