Home / 39,395.86-54,364.06-22,397.74

Finding the Fourth Proportional to 39,395.86, 54,364.06 and 22,397.74

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Solution

The fourth proportional to 39,395.86, 54,364.06 and 22,397.74 is: 30,907.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,395.86 : 54,364.06 = 22,397.74 : x
  2. Step 2: Convert to fraction form
    39,395.86/54,364.06 = 22,397.74/x
  3. Step 3: Cross multiply
    39,395.86x = 54,364.06 × 22,397.74
  4. Step 4: Simplify right side
    39,395.86x = 1,217,632,081.22
  5. Step 5: Solve for x
    x = 1,217,632,081.22/39,395.86
  6. Step 6: Final answer
    x = 30,907.62

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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.