Home / 51,772.12-77,639.02-18,483.24

Finding the Fourth Proportional to 51,772.12, 77,639.02 and 18,483.24

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Solution

The fourth proportional to 51,772.12, 77,639.02 and 18,483.24 is: 27,718.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,772.12 : 77,639.02 = 18,483.24 : x
  2. Step 2: Convert to fraction form
    51,772.12/77,639.02 = 18,483.24/x
  3. Step 3: Cross multiply
    51,772.12x = 77,639.02 × 18,483.24
  4. Step 4: Simplify right side
    51,772.12x = 1,435,020,640.02
  5. Step 5: Solve for x
    x = 1,435,020,640.02/51,772.12
  6. Step 6: Final answer
    x = 27,718.02

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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.