Home / 20,365.59-30,540.49-7,036.13

Finding the Fourth Proportional to 20,365.59, 30,540.49 and 7,036.13

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Solution

The fourth proportional to 20,365.59, 30,540.49 and 7,036.13 is: 10,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,365.59 : 30,540.49 = 7,036.13 : x
  2. Step 2: Convert to fraction form
    20,365.59/30,540.49 = 7,036.13/x
  3. Step 3: Cross multiply
    20,365.59x = 30,540.49 × 7,036.13
  4. Step 4: Simplify right side
    20,365.59x = 214,886,916.66
  5. Step 5: Solve for x
    x = 214,886,916.66/20,365.59
  6. Step 6: Final answer
    x = 10,551.47

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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.