Home / 53,979.57-74,491.92-30,105.63

Finding the Fourth Proportional to 53,979.57, 74,491.92 and 30,105.63

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Solution

The fourth proportional to 53,979.57, 74,491.92 and 30,105.63 is: 41,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,979.57 : 74,491.92 = 30,105.63 : x
  2. Step 2: Convert to fraction form
    53,979.57/74,491.92 = 30,105.63/x
  3. Step 3: Cross multiply
    53,979.57x = 74,491.92 × 30,105.63
  4. Step 4: Simplify right side
    53,979.57x = 2,242,626,181.51
  5. Step 5: Solve for x
    x = 2,242,626,181.51/53,979.57
  6. Step 6: Final answer
    x = 41,545.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.