Home / 47,928.36-66,141.40-27,797.18

Finding the Fourth Proportional to 47,928.36, 66,141.40 and 27,797.18

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Solution

The fourth proportional to 47,928.36, 66,141.40 and 27,797.18 is: 38,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,928.36 : 66,141.40 = 27,797.18 : x
  2. Step 2: Convert to fraction form
    47,928.36/66,141.40 = 27,797.18/x
  3. Step 3: Cross multiply
    47,928.36x = 66,141.40 × 27,797.18
  4. Step 4: Simplify right side
    47,928.36x = 1,838,544,070.55
  5. Step 5: Solve for x
    x = 1,838,544,070.55/47,928.36
  6. Step 6: Final answer
    x = 38,360.25

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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.