Home / 31,971.53-44,148.57-20,055.35

Finding the Fourth Proportional to 31,971.53, 44,148.57 and 20,055.35

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Solution

The fourth proportional to 31,971.53, 44,148.57 and 20,055.35 is: 27,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,971.53 : 44,148.57 = 20,055.35 : x
  2. Step 2: Convert to fraction form
    31,971.53/44,148.57 = 20,055.35/x
  3. Step 3: Cross multiply
    31,971.53x = 44,148.57 × 20,055.35
  4. Step 4: Simplify right side
    31,971.53x = 885,415,023.35
  5. Step 5: Solve for x
    x = 885,415,023.35/31,971.53
  6. Step 6: Final answer
    x = 27,693.86

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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.