Home / 37,880.76-52,275.73-20,885.61

Finding the Fourth Proportional to 37,880.76, 52,275.73 and 20,885.61

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Solution

The fourth proportional to 37,880.76, 52,275.73 and 20,885.61 is: 28,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,880.76 : 52,275.73 = 20,885.61 : x
  2. Step 2: Convert to fraction form
    37,880.76/52,275.73 = 20,885.61/x
  3. Step 3: Cross multiply
    37,880.76x = 52,275.73 × 20,885.61
  4. Step 4: Simplify right side
    37,880.76x = 1,091,810,509.25
  5. Step 5: Solve for x
    x = 1,091,810,509.25/37,880.76
  6. Step 6: Final answer
    x = 28,822.30

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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.