Home / 45,083.68-67,641.06-20,140.94

Finding the Fourth Proportional to 45,083.68, 67,641.06 and 20,140.94

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Solution

The fourth proportional to 45,083.68, 67,641.06 and 20,140.94 is: 30,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,083.68 : 67,641.06 = 20,140.94 : x
  2. Step 2: Convert to fraction form
    45,083.68/67,641.06 = 20,140.94/x
  3. Step 3: Cross multiply
    45,083.68x = 67,641.06 × 20,140.94
  4. Step 4: Simplify right side
    45,083.68x = 1,362,354,531.00
  5. Step 5: Solve for x
    x = 1,362,354,531.00/45,083.68
  6. Step 6: Final answer
    x = 30,218.35

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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.