Home / 39,028.32-53,859.42-22,262.40

Finding the Fourth Proportional to 39,028.32, 53,859.42 and 22,262.40

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Solution

The fourth proportional to 39,028.32, 53,859.42 and 22,262.40 is: 30,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,028.32 : 53,859.42 = 22,262.40 : x
  2. Step 2: Convert to fraction form
    39,028.32/53,859.42 = 22,262.40/x
  3. Step 3: Cross multiply
    39,028.32x = 53,859.42 × 22,262.40
  4. Step 4: Simplify right side
    39,028.32x = 1,199,039,951.81
  5. Step 5: Solve for x
    x = 1,199,039,951.81/39,028.32
  6. Step 6: Final answer
    x = 30,722.31

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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.