Home / 82,230.60-123,271.74-29,603.28

Finding the Fourth Proportional to 82,230.60, 123,271.74 and 29,603.28

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Solution

The fourth proportional to 82,230.60, 123,271.74 and 29,603.28 is: 44,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,230.60 : 123,271.74 = 29,603.28 : x
  2. Step 2: Convert to fraction form
    82,230.60/123,271.74 = 29,603.28/x
  3. Step 3: Cross multiply
    82,230.60x = 123,271.74 × 29,603.28
  4. Step 4: Simplify right side
    82,230.60x = 3,649,247,835.31
  5. Step 5: Solve for x
    x = 3,649,247,835.31/82,230.60
  6. Step 6: Final answer
    x = 44,378.22

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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.