Home / 65,327.68-90,153.28-37,032.80

Finding the Fourth Proportional to 65,327.68, 90,153.28 and 37,032.80

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Solution

The fourth proportional to 65,327.68, 90,153.28 and 37,032.80 is: 51,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,327.68 : 90,153.28 = 37,032.80 : x
  2. Step 2: Convert to fraction form
    65,327.68/90,153.28 = 37,032.80/x
  3. Step 3: Cross multiply
    65,327.68x = 90,153.28 × 37,032.80
  4. Step 4: Simplify right side
    65,327.68x = 3,338,628,387.58
  5. Step 5: Solve for x
    x = 3,338,628,387.58/65,327.68
  6. Step 6: Final answer
    x = 51,105.88

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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.