Home / 53,161.76-73,360.60-29,287.80

Finding the Fourth Proportional to 53,161.76, 73,360.60 and 29,287.80

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Solution

The fourth proportional to 53,161.76, 73,360.60 and 29,287.80 is: 40,415.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,161.76 : 73,360.60 = 29,287.80 : x
  2. Step 2: Convert to fraction form
    53,161.76/73,360.60 = 29,287.80/x
  3. Step 3: Cross multiply
    53,161.76x = 73,360.60 × 29,287.80
  4. Step 4: Simplify right side
    53,161.76x = 2,148,570,580.68
  5. Step 5: Solve for x
    x = 2,148,570,580.68/53,161.76
  6. Step 6: Final answer
    x = 40,415.72

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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.