Home / 53,420.44-73,720.20-29,221.60

Finding the Fourth Proportional to 53,420.44, 73,720.20 and 29,221.60

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Solution

The fourth proportional to 53,420.44, 73,720.20 and 29,221.60 is: 40,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,420.44 : 73,720.20 = 29,221.60 : x
  2. Step 2: Convert to fraction form
    53,420.44/73,720.20 = 29,221.60/x
  3. Step 3: Cross multiply
    53,420.44x = 73,720.20 × 29,221.60
  4. Step 4: Simplify right side
    53,420.44x = 2,154,222,196.32
  5. Step 5: Solve for x
    x = 2,154,222,196.32/53,420.44
  6. Step 6: Final answer
    x = 40,325.80

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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.