Home / 40,155.90-60,223.35-12,068.44

Finding the Fourth Proportional to 40,155.90, 60,223.35 and 12,068.44

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Solution

The fourth proportional to 40,155.90, 60,223.35 and 12,068.44 is: 18,099.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.90 : 60,223.35 = 12,068.44 : x
  2. Step 2: Convert to fraction form
    40,155.90/60,223.35 = 12,068.44/x
  3. Step 3: Cross multiply
    40,155.90x = 60,223.35 × 12,068.44
  4. Step 4: Simplify right side
    40,155.90x = 726,801,675.17
  5. Step 5: Solve for x
    x = 726,801,675.17/40,155.90
  6. Step 6: Final answer
    x = 18,099.50

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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.