Home / 31,352.82-47,038.02-13,350.12

Finding the Fourth Proportional to 31,352.82, 47,038.02 and 13,350.12

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Solution

The fourth proportional to 31,352.82, 47,038.02 and 13,350.12 is: 20,028.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352.82 : 47,038.02 = 13,350.12 : x
  2. Step 2: Convert to fraction form
    31,352.82/47,038.02 = 13,350.12/x
  3. Step 3: Cross multiply
    31,352.82x = 47,038.02 × 13,350.12
  4. Step 4: Simplify right side
    31,352.82x = 627,963,211.56
  5. Step 5: Solve for x
    x = 627,963,211.56/31,352.82
  6. Step 6: Final answer
    x = 20,028.92

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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.