Home / 38,681.60-53,175.28-33,284.32

Finding the Fourth Proportional to 38,681.60, 53,175.28 and 33,284.32

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Solution

The fourth proportional to 38,681.60, 53,175.28 and 33,284.32 is: 45,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,681.60 : 53,175.28 = 33,284.32 : x
  2. Step 2: Convert to fraction form
    38,681.60/53,175.28 = 33,284.32/x
  3. Step 3: Cross multiply
    38,681.60x = 53,175.28 × 33,284.32
  4. Step 4: Simplify right side
    38,681.60x = 1,769,903,035.61
  5. Step 5: Solve for x
    x = 1,769,903,035.61/38,681.60
  6. Step 6: Final answer
    x = 45,755.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.