Home / 45,404.67-68,106.89-21,640.19

Finding the Fourth Proportional to 45,404.67, 68,106.89 and 21,640.19

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Solution

The fourth proportional to 45,404.67, 68,106.89 and 21,640.19 is: 32,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,404.67 : 68,106.89 = 21,640.19 : x
  2. Step 2: Convert to fraction form
    45,404.67/68,106.89 = 21,640.19/x
  3. Step 3: Cross multiply
    45,404.67x = 68,106.89 × 21,640.19
  4. Step 4: Simplify right side
    45,404.67x = 1,473,845,591.17
  5. Step 5: Solve for x
    x = 1,473,845,591.17/45,404.67
  6. Step 6: Final answer
    x = 32,460.22

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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.