Home / 51,989.40-71,745.35-29,328.35

Finding the Fourth Proportional to 51,989.40, 71,745.35 and 29,328.35

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Solution

The fourth proportional to 51,989.40, 71,745.35 and 29,328.35 is: 40,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,989.40 : 71,745.35 = 29,328.35 : x
  2. Step 2: Convert to fraction form
    51,989.40/71,745.35 = 29,328.35/x
  3. Step 3: Cross multiply
    51,989.40x = 71,745.35 × 29,328.35
  4. Step 4: Simplify right side
    51,989.40x = 2,104,172,230.30
  5. Step 5: Solve for x
    x = 2,104,172,230.30/51,989.40
  6. Step 6: Final answer
    x = 40,473.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.