Home / 39,020.40-53,847-22,025.25

Finding the Fourth Proportional to 39,020.40, 53,847 and 22,025.25

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Solution

The fourth proportional to 39,020.40, 53,847 and 22,025.25 is: 30,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020.40 : 53,847 = 22,025.25 : x
  2. Step 2: Convert to fraction form
    39,020.40/53,847 = 22,025.25/x
  3. Step 3: Cross multiply
    39,020.40x = 53,847 × 22,025.25
  4. Step 4: Simplify right side
    39,020.40x = 1,185,993,636.75
  5. Step 5: Solve for x
    x = 1,185,993,636.75/39,020.40
  6. Step 6: Final answer
    x = 30,394.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.