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Finding the Fourth Proportional to 53,613.60, 73,994 and 32,393.76

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Solution

The fourth proportional to 53,613.60, 73,994 and 32,393.76 is: 44,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,613.60 : 73,994 = 32,393.76 : x
  2. Step 2: Convert to fraction form
    53,613.60/73,994 = 32,393.76/x
  3. Step 3: Cross multiply
    53,613.60x = 73,994 × 32,393.76
  4. Step 4: Simplify right side
    53,613.60x = 2,396,943,877.44
  5. Step 5: Solve for x
    x = 2,396,943,877.44/53,613.60
  6. Step 6: Final answer
    x = 44,707.76

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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.