Home / 49,428.52-74,150-14,363.64

Finding the Fourth Proportional to 49,428.52, 74,150 and 14,363.64

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Solution

The fourth proportional to 49,428.52, 74,150 and 14,363.64 is: 21,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,428.52 : 74,150 = 14,363.64 : x
  2. Step 2: Convert to fraction form
    49,428.52/74,150 = 14,363.64/x
  3. Step 3: Cross multiply
    49,428.52x = 74,150 × 14,363.64
  4. Step 4: Simplify right side
    49,428.52x = 1,065,063,906
  5. Step 5: Solve for x
    x = 1,065,063,906/49,428.52
  6. Step 6: Final answer
    x = 21,547.56

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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.