Home / 40,307.75-55,640.20-26,874.10

Finding the Fourth Proportional to 40,307.75, 55,640.20 and 26,874.10

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Solution

The fourth proportional to 40,307.75, 55,640.20 and 26,874.10 is: 37,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,307.75 : 55,640.20 = 26,874.10 : x
  2. Step 2: Convert to fraction form
    40,307.75/55,640.20 = 26,874.10/x
  3. Step 3: Cross multiply
    40,307.75x = 55,640.20 × 26,874.10
  4. Step 4: Simplify right side
    40,307.75x = 1,495,280,298.82
  5. Step 5: Solve for x
    x = 1,495,280,298.82/40,307.75
  6. Step 6: Final answer
    x = 37,096.60

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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.