Home / 53,619.68-73,984.38-32,400.12

Finding the Fourth Proportional to 53,619.68, 73,984.38 and 32,400.12

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Solution

The fourth proportional to 53,619.68, 73,984.38 and 32,400.12 is: 44,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,619.68 : 73,984.38 = 32,400.12 : x
  2. Step 2: Convert to fraction form
    53,619.68/73,984.38 = 32,400.12/x
  3. Step 3: Cross multiply
    53,619.68x = 73,984.38 × 32,400.12
  4. Step 4: Simplify right side
    53,619.68x = 2,397,102,790.13
  5. Step 5: Solve for x
    x = 2,397,102,790.13/53,619.68
  6. Step 6: Final answer
    x = 44,705.65

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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.