Home / 53,110.80-73,266.12-32,979.60

Finding the Fourth Proportional to 53,110.80, 73,266.12 and 32,979.60

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Solution

The fourth proportional to 53,110.80, 73,266.12 and 32,979.60 is: 45,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,110.80 : 73,266.12 = 32,979.60 : x
  2. Step 2: Convert to fraction form
    53,110.80/73,266.12 = 32,979.60/x
  3. Step 3: Cross multiply
    53,110.80x = 73,266.12 × 32,979.60
  4. Step 4: Simplify right side
    53,110.80x = 2,416,287,331.15
  5. Step 5: Solve for x
    x = 2,416,287,331.15/53,110.80
  6. Step 6: Final answer
    x = 45,495.22

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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.