Home / 34,678.32-52,020.48-9,718.80

Finding the Fourth Proportional to 34,678.32, 52,020.48 and 9,718.80

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Solution

The fourth proportional to 34,678.32, 52,020.48 and 9,718.80 is: 14,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,678.32 : 52,020.48 = 9,718.80 : x
  2. Step 2: Convert to fraction form
    34,678.32/52,020.48 = 9,718.80/x
  3. Step 3: Cross multiply
    34,678.32x = 52,020.48 × 9,718.80
  4. Step 4: Simplify right side
    34,678.32x = 505,576,641.02
  5. Step 5: Solve for x
    x = 505,576,641.02/34,678.32
  6. Step 6: Final answer
    x = 14,579.04

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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.