Home / 53,738.22-80,607.51-18,678.18

Finding the Fourth Proportional to 53,738.22, 80,607.51 and 18,678.18

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Solution

The fourth proportional to 53,738.22, 80,607.51 and 18,678.18 is: 28,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.22 : 80,607.51 = 18,678.18 : x
  2. Step 2: Convert to fraction form
    53,738.22/80,607.51 = 18,678.18/x
  3. Step 3: Cross multiply
    53,738.22x = 80,607.51 × 18,678.18
  4. Step 4: Simplify right side
    53,738.22x = 1,505,601,581.13
  5. Step 5: Solve for x
    x = 1,505,601,581.13/53,738.22
  6. Step 6: Final answer
    x = 28,017.33

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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.