Home / 45,685.92-68,511.60-19,403.04

Finding the Fourth Proportional to 45,685.92, 68,511.60 and 19,403.04

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Solution

The fourth proportional to 45,685.92, 68,511.60 and 19,403.04 is: 29,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,685.92 : 68,511.60 = 19,403.04 : x
  2. Step 2: Convert to fraction form
    45,685.92/68,511.60 = 19,403.04/x
  3. Step 3: Cross multiply
    45,685.92x = 68,511.60 × 19,403.04
  4. Step 4: Simplify right side
    45,685.92x = 1,329,333,315.26
  5. Step 5: Solve for x
    x = 1,329,333,315.26/45,685.92
  6. Step 6: Final answer
    x = 29,097.22

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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.