Home / 53,203.46-73,420.78-30,543.92

Finding the Fourth Proportional to 53,203.46, 73,420.78 and 30,543.92

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Solution

The fourth proportional to 53,203.46, 73,420.78 and 30,543.92 is: 42,150.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,203.46 : 73,420.78 = 30,543.92 : x
  2. Step 2: Convert to fraction form
    53,203.46/73,420.78 = 30,543.92/x
  3. Step 3: Cross multiply
    53,203.46x = 73,420.78 × 30,543.92
  4. Step 4: Simplify right side
    53,203.46x = 2,242,558,190.93
  5. Step 5: Solve for x
    x = 2,242,558,190.93/53,203.46
  6. Step 6: Final answer
    x = 42,150.61

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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.