Home / 64,427.09-88,909.11-36,132.80

Finding the Fourth Proportional to 64,427.09, 88,909.11 and 36,132.80

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Solution

The fourth proportional to 64,427.09, 88,909.11 and 36,132.80 is: 49,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,427.09 : 88,909.11 = 36,132.80 : x
  2. Step 2: Convert to fraction form
    64,427.09/88,909.11 = 36,132.80/x
  3. Step 3: Cross multiply
    64,427.09x = 88,909.11 × 36,132.80
  4. Step 4: Simplify right side
    64,427.09x = 3,212,534,645.26
  5. Step 5: Solve for x
    x = 3,212,534,645.26/64,427.09
  6. Step 6: Final answer
    x = 49,863.11

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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.