Home / 40,038.28-60,040.30-13,745.68

Finding the Fourth Proportional to 40,038.28, 60,040.30 and 13,745.68

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Solution

The fourth proportional to 40,038.28, 60,040.30 and 13,745.68 is: 20,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,038.28 : 60,040.30 = 13,745.68 : x
  2. Step 2: Convert to fraction form
    40,038.28/60,040.30 = 13,745.68/x
  3. Step 3: Cross multiply
    40,038.28x = 60,040.30 × 13,745.68
  4. Step 4: Simplify right side
    40,038.28x = 825,294,750.90
  5. Step 5: Solve for x
    x = 825,294,750.90/40,038.28
  6. Step 6: Final answer
    x = 20,612.64

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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.