Home / 20,026.32-30,033.54-5,987.40

Finding the Fourth Proportional to 20,026.32, 30,033.54 and 5,987.40

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Solution

The fourth proportional to 20,026.32, 30,033.54 and 5,987.40 is: 8,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.32 : 30,033.54 = 5,987.40 : x
  2. Step 2: Convert to fraction form
    20,026.32/30,033.54 = 5,987.40/x
  3. Step 3: Cross multiply
    20,026.32x = 30,033.54 × 5,987.40
  4. Step 4: Simplify right side
    20,026.32x = 179,822,817.40
  5. Step 5: Solve for x
    x = 179,822,817.40/20,026.32
  6. Step 6: Final answer
    x = 8,979.32

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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.