Home / 52,632.84-78,949.60-21,045.55

Finding the Fourth Proportional to 52,632.84, 78,949.60 and 21,045.55

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Solution

The fourth proportional to 52,632.84, 78,949.60 and 21,045.55 is: 31,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,632.84 : 78,949.60 = 21,045.55 : x
  2. Step 2: Convert to fraction form
    52,632.84/78,949.60 = 21,045.55/x
  3. Step 3: Cross multiply
    52,632.84x = 78,949.60 × 21,045.55
  4. Step 4: Simplify right side
    52,632.84x = 1,661,537,959.48
  5. Step 5: Solve for x
    x = 1,661,537,959.48/52,632.84
  6. Step 6: Final answer
    x = 31,568.47

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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.