Home / 34,287.32-47,312.46-19,180.76

Finding the Fourth Proportional to 34,287.32, 47,312.46 and 19,180.76

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Solution

The fourth proportional to 34,287.32, 47,312.46 and 19,180.76 is: 26,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,287.32 : 47,312.46 = 19,180.76 : x
  2. Step 2: Convert to fraction form
    34,287.32/47,312.46 = 19,180.76/x
  3. Step 3: Cross multiply
    34,287.32x = 47,312.46 × 19,180.76
  4. Step 4: Simplify right side
    34,287.32x = 907,488,940.27
  5. Step 5: Solve for x
    x = 907,488,940.27/34,287.32
  6. Step 6: Final answer
    x = 26,467.19

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Double scale
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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.