Home / 45,078.03-67,322.94-38,342.75

Finding the Fourth Proportional to 45,078.03, 67,322.94 and 38,342.75

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Solution

The fourth proportional to 45,078.03, 67,322.94 and 38,342.75 is: 57,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,078.03 : 67,322.94 = 38,342.75 : x
  2. Step 2: Convert to fraction form
    45,078.03/67,322.94 = 38,342.75/x
  3. Step 3: Cross multiply
    45,078.03x = 67,322.94 × 38,342.75
  4. Step 4: Simplify right side
    45,078.03x = 2,581,346,321.07
  5. Step 5: Solve for x
    x = 2,581,346,321.07/45,078.03
  6. Step 6: Final answer
    x = 57,263.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.