Home / 20,095.19-30,140.19-5,305.22

Finding the Fourth Proportional to 20,095.19, 30,140.19 and 5,305.22

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Solution

The fourth proportional to 20,095.19, 30,140.19 and 5,305.22 is: 7,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.19 : 30,140.19 = 5,305.22 : x
  2. Step 2: Convert to fraction form
    20,095.19/30,140.19 = 5,305.22/x
  3. Step 3: Cross multiply
    20,095.19x = 30,140.19 × 5,305.22
  4. Step 4: Simplify right side
    20,095.19x = 159,900,188.09
  5. Step 5: Solve for x
    x = 159,900,188.09/20,095.19
  6. Step 6: Final answer
    x = 7,957.14

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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.