Home / 20,825.93-31,238.58-5,030.82

Finding the Fourth Proportional to 20,825.93, 31,238.58 and 5,030.82

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Solution

The fourth proportional to 20,825.93, 31,238.58 and 5,030.82 is: 7,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,825.93 : 31,238.58 = 5,030.82 : x
  2. Step 2: Convert to fraction form
    20,825.93/31,238.58 = 5,030.82/x
  3. Step 3: Cross multiply
    20,825.93x = 31,238.58 × 5,030.82
  4. Step 4: Simplify right side
    20,825.93x = 157,155,673.04
  5. Step 5: Solve for x
    x = 157,155,673.04/20,825.93
  6. Step 6: Final answer
    x = 7,546.16

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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.