Home / 41,140.11-61,715.28-14,479.80

Finding the Fourth Proportional to 41,140.11, 61,715.28 and 14,479.80

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Solution

The fourth proportional to 41,140.11, 61,715.28 and 14,479.80 is: 21,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,140.11 : 61,715.28 = 14,479.80 : x
  2. Step 2: Convert to fraction form
    41,140.11/61,715.28 = 14,479.80/x
  3. Step 3: Cross multiply
    41,140.11x = 61,715.28 × 14,479.80
  4. Step 4: Simplify right side
    41,140.11x = 893,624,911.34
  5. Step 5: Solve for x
    x = 893,624,911.34/41,140.11
  6. Step 6: Final answer
    x = 21,721.50

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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.