Home / 20,036.06-30,054.78-6,888.32

Finding the Fourth Proportional to 20,036.06, 30,054.78 and 6,888.32

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Solution

The fourth proportional to 20,036.06, 30,054.78 and 6,888.32 is: 10,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.06 : 30,054.78 = 6,888.32 : x
  2. Step 2: Convert to fraction form
    20,036.06/30,054.78 = 6,888.32/x
  3. Step 3: Cross multiply
    20,036.06x = 30,054.78 × 6,888.32
  4. Step 4: Simplify right side
    20,036.06x = 207,026,942.17
  5. Step 5: Solve for x
    x = 207,026,942.17/20,036.06
  6. Step 6: Final answer
    x = 10,332.72

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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.