Home / 37,924.40-52,335.30-20,928.80

Finding the Fourth Proportional to 37,924.40, 52,335.30 and 20,928.80

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Solution

The fourth proportional to 37,924.40, 52,335.30 and 20,928.80 is: 28,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,924.40 : 52,335.30 = 20,928.80 : x
  2. Step 2: Convert to fraction form
    37,924.40/52,335.30 = 20,928.80/x
  3. Step 3: Cross multiply
    37,924.40x = 52,335.30 × 20,928.80
  4. Step 4: Simplify right side
    37,924.40x = 1,095,314,660.32
  5. Step 5: Solve for x
    x = 1,095,314,660.32/37,924.40
  6. Step 6: Final answer
    x = 28,881.53

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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.