Home / 47,621.61-65,718.08-27,479.34

Finding the Fourth Proportional to 47,621.61, 65,718.08 and 27,479.34

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Solution

The fourth proportional to 47,621.61, 65,718.08 and 27,479.34 is: 37,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,621.61 : 65,718.08 = 27,479.34 : x
  2. Step 2: Convert to fraction form
    47,621.61/65,718.08 = 27,479.34/x
  3. Step 3: Cross multiply
    47,621.61x = 65,718.08 × 27,479.34
  4. Step 4: Simplify right side
    47,621.61x = 1,805,889,769.52
  5. Step 5: Solve for x
    x = 1,805,889,769.52/47,621.61
  6. Step 6: Final answer
    x = 37,921.64

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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.