Home / 37,881.77-52,277.12-20,886.62

Finding the Fourth Proportional to 37,881.77, 52,277.12 and 20,886.62

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Solution

The fourth proportional to 37,881.77, 52,277.12 and 20,886.62 is: 28,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,881.77 : 52,277.12 = 20,886.62 : x
  2. Step 2: Convert to fraction form
    37,881.77/52,277.12 = 20,886.62/x
  3. Step 3: Cross multiply
    37,881.77x = 52,277.12 × 20,886.62
  4. Step 4: Simplify right side
    37,881.77x = 1,091,891,974.32
  5. Step 5: Solve for x
    x = 1,091,891,974.32/37,881.77
  6. Step 6: Final answer
    x = 28,823.68

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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.