Home / 20,095.33-30,140.67-5,305.40

Finding the Fourth Proportional to 20,095.33, 30,140.67 and 5,305.40

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Solution

The fourth proportional to 20,095.33, 30,140.67 and 5,305.40 is: 7,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.33 : 30,140.67 = 5,305.40 : x
  2. Step 2: Convert to fraction form
    20,095.33/30,140.67 = 5,305.40/x
  3. Step 3: Cross multiply
    20,095.33x = 30,140.67 × 5,305.40
  4. Step 4: Simplify right side
    20,095.33x = 159,908,310.62
  5. Step 5: Solve for x
    x = 159,908,310.62/20,095.33
  6. Step 6: Final answer
    x = 7,957.49

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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.