Home / 20,356.09-30,535.95-5,565.08

Finding the Fourth Proportional to 20,356.09, 30,535.95 and 5,565.08

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Solution

The fourth proportional to 20,356.09, 30,535.95 and 5,565.08 is: 8,348.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,356.09 : 30,535.95 = 5,565.08 : x
  2. Step 2: Convert to fraction form
    20,356.09/30,535.95 = 5,565.08/x
  3. Step 3: Cross multiply
    20,356.09x = 30,535.95 × 5,565.08
  4. Step 4: Simplify right side
    20,356.09x = 169,935,004.63
  5. Step 5: Solve for x
    x = 169,935,004.63/20,356.09
  6. Step 6: Final answer
    x = 8,348.12

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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.