Home / 39,100.77-53,886.69-27,770.76

Finding the Fourth Proportional to 39,100.77, 53,886.69 and 27,770.76

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Solution

The fourth proportional to 39,100.77, 53,886.69 and 27,770.76 is: 38,272.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,100.77 : 53,886.69 = 27,770.76 : x
  2. Step 2: Convert to fraction form
    39,100.77/53,886.69 = 27,770.76/x
  3. Step 3: Cross multiply
    39,100.77x = 53,886.69 × 27,770.76
  4. Step 4: Simplify right side
    39,100.77x = 1,496,474,335.18
  5. Step 5: Solve for x
    x = 1,496,474,335.18/39,100.77
  6. Step 6: Final answer
    x = 38,272.25

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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.