Home / 45,600.08-68,370.51-18,938.75

Finding the Fourth Proportional to 45,600.08, 68,370.51 and 18,938.75

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Solution

The fourth proportional to 45,600.08, 68,370.51 and 18,938.75 is: 28,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,600.08 : 68,370.51 = 18,938.75 : x
  2. Step 2: Convert to fraction form
    45,600.08/68,370.51 = 18,938.75/x
  3. Step 3: Cross multiply
    45,600.08x = 68,370.51 × 18,938.75
  4. Step 4: Simplify right side
    45,600.08x = 1,294,852,238.21
  5. Step 5: Solve for x
    x = 1,294,852,238.21/45,600.08
  6. Step 6: Final answer
    x = 28,395.83

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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.