Home / 53,489.16-80,244.68-18,424.26

Finding the Fourth Proportional to 53,489.16, 80,244.68 and 18,424.26

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Solution

The fourth proportional to 53,489.16, 80,244.68 and 18,424.26 is: 27,640.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,489.16 : 80,244.68 = 18,424.26 : x
  2. Step 2: Convert to fraction form
    53,489.16/80,244.68 = 18,424.26/x
  3. Step 3: Cross multiply
    53,489.16x = 80,244.68 × 18,424.26
  4. Step 4: Simplify right side
    53,489.16x = 1,478,448,755.82
  5. Step 5: Solve for x
    x = 1,478,448,755.82/53,489.16
  6. Step 6: Final answer
    x = 27,640.16

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1.5x scale

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.