Home / 65,575.35-90,491.36-38,726.51

Finding the Fourth Proportional to 65,575.35, 90,491.36 and 38,726.51

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Solution

The fourth proportional to 65,575.35, 90,491.36 and 38,726.51 is: 53,441.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,575.35 : 90,491.36 = 38,726.51 : x
  2. Step 2: Convert to fraction form
    65,575.35/90,491.36 = 38,726.51/x
  3. Step 3: Cross multiply
    65,575.35x = 90,491.36 × 38,726.51
  4. Step 4: Simplify right side
    65,575.35x = 3,504,413,911.86
  5. Step 5: Solve for x
    x = 3,504,413,911.86/65,575.35
  6. Step 6: Final answer
    x = 53,441.02

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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.