Home / 40,211.04-55,491.57-22,307.21

Finding the Fourth Proportional to 40,211.04, 55,491.57 and 22,307.21

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Solution

The fourth proportional to 40,211.04, 55,491.57 and 22,307.21 is: 30,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,211.04 : 55,491.57 = 22,307.21 : x
  2. Step 2: Convert to fraction form
    40,211.04/55,491.57 = 22,307.21/x
  3. Step 3: Cross multiply
    40,211.04x = 55,491.57 × 22,307.21
  4. Step 4: Simplify right side
    40,211.04x = 1,237,861,827.76
  5. Step 5: Solve for x
    x = 1,237,861,827.76/40,211.04
  6. Step 6: Final answer
    x = 30,784.13

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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.