Home / 49,856.33-74,784.18-21,389.08

Finding the Fourth Proportional to 49,856.33, 74,784.18 and 21,389.08

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Solution

The fourth proportional to 49,856.33, 74,784.18 and 21,389.08 is: 32,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,856.33 : 74,784.18 = 21,389.08 : x
  2. Step 2: Convert to fraction form
    49,856.33/74,784.18 = 21,389.08/x
  3. Step 3: Cross multiply
    49,856.33x = 74,784.18 × 21,389.08
  4. Step 4: Simplify right side
    49,856.33x = 1,599,564,808.75
  5. Step 5: Solve for x
    x = 1,599,564,808.75/49,856.33
  6. Step 6: Final answer
    x = 32,083.48

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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.