Home / 49,132.53-73,637.12-21,019.52

Finding the Fourth Proportional to 49,132.53, 73,637.12 and 21,019.52

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Solution

The fourth proportional to 49,132.53, 73,637.12 and 21,019.52 is: 31,502.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,132.53 : 73,637.12 = 21,019.52 : x
  2. Step 2: Convert to fraction form
    49,132.53/73,637.12 = 21,019.52/x
  3. Step 3: Cross multiply
    49,132.53x = 73,637.12 × 21,019.52
  4. Step 4: Simplify right side
    49,132.53x = 1,547,816,916.58
  5. Step 5: Solve for x
    x = 1,547,816,916.58/49,132.53
  6. Step 6: Final answer
    x = 31,502.89

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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.