Home / 20,036.47-30,055.52-8,941.09

Finding the Fourth Proportional to 20,036.47, 30,055.52 and 8,941.09

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Solution

The fourth proportional to 20,036.47, 30,055.52 and 8,941.09 is: 13,412.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.47 : 30,055.52 = 8,941.09 : x
  2. Step 2: Convert to fraction form
    20,036.47/30,055.52 = 8,941.09/x
  3. Step 3: Cross multiply
    20,036.47x = 30,055.52 × 8,941.09
  4. Step 4: Simplify right side
    20,036.47x = 268,729,109.32
  5. Step 5: Solve for x
    x = 268,729,109.32/20,036.47
  6. Step 6: Final answer
    x = 13,412.00

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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.