Home / 45,191.07-67,741.74-21,456.90

Finding the Fourth Proportional to 45,191.07, 67,741.74 and 21,456.90

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Solution

The fourth proportional to 45,191.07, 67,741.74 and 21,456.90 is: 32,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,191.07 : 67,741.74 = 21,456.90 : x
  2. Step 2: Convert to fraction form
    45,191.07/67,741.74 = 21,456.90/x
  3. Step 3: Cross multiply
    45,191.07x = 67,741.74 × 21,456.90
  4. Step 4: Simplify right side
    45,191.07x = 1,453,527,741.01
  5. Step 5: Solve for x
    x = 1,453,527,741.01/45,191.07
  6. Step 6: Final answer
    x = 32,164.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.