Home / 47,685.71-65,809.40-27,543.44

Finding the Fourth Proportional to 47,685.71, 65,809.40 and 27,543.44

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Solution

The fourth proportional to 47,685.71, 65,809.40 and 27,543.44 is: 38,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,685.71 : 65,809.40 = 27,543.44 : x
  2. Step 2: Convert to fraction form
    47,685.71/65,809.40 = 27,543.44/x
  3. Step 3: Cross multiply
    47,685.71x = 65,809.40 × 27,543.44
  4. Step 4: Simplify right side
    47,685.71x = 1,812,617,287.14
  5. Step 5: Solve for x
    x = 1,812,617,287.14/47,685.71
  6. Step 6: Final answer
    x = 38,011.75

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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.