Home / 39,811.06-54,941.59-22,820.57

Finding the Fourth Proportional to 39,811.06, 54,941.59 and 22,820.57

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Solution

The fourth proportional to 39,811.06, 54,941.59 and 22,820.57 is: 31,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.06 : 54,941.59 = 22,820.57 : x
  2. Step 2: Convert to fraction form
    39,811.06/54,941.59 = 22,820.57/x
  3. Step 3: Cross multiply
    39,811.06x = 54,941.59 × 22,820.57
  4. Step 4: Simplify right side
    39,811.06x = 1,253,798,400.51
  5. Step 5: Solve for x
    x = 1,253,798,400.51/39,811.06
  6. Step 6: Final answer
    x = 31,493.72

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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.