Home / 38,661.17-53,353.71-36,889.70

Finding the Fourth Proportional to 38,661.17, 53,353.71 and 36,889.70

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Solution

The fourth proportional to 38,661.17, 53,353.71 and 36,889.70 is: 50,909.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661.17 : 53,353.71 = 36,889.70 : x
  2. Step 2: Convert to fraction form
    38,661.17/53,353.71 = 36,889.70/x
  3. Step 3: Cross multiply
    38,661.17x = 53,353.71 × 36,889.70
  4. Step 4: Simplify right side
    38,661.17x = 1,968,202,089.02
  5. Step 5: Solve for x
    x = 1,968,202,089.02/38,661.17
  6. Step 6: Final answer
    x = 50,909.02

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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.