Home / 53,015.93-73,162.98-29,142.60

Finding the Fourth Proportional to 53,015.93, 73,162.98 and 29,142.60

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Solution

The fourth proportional to 53,015.93, 73,162.98 and 29,142.60 is: 40,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,015.93 : 73,162.98 = 29,142.60 : x
  2. Step 2: Convert to fraction form
    53,015.93/73,162.98 = 29,142.60/x
  3. Step 3: Cross multiply
    53,015.93x = 73,162.98 × 29,142.60
  4. Step 4: Simplify right side
    53,015.93x = 2,132,159,186.59
  5. Step 5: Solve for x
    x = 2,132,159,186.59/53,015.93
  6. Step 6: Final answer
    x = 40,217.33

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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.