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Finding the Fourth Proportional to 60,884.83, 91,335.84 and 18,768.34

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Solution

The fourth proportional to 60,884.83, 91,335.84 and 18,768.34 is: 28,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,884.83 : 91,335.84 = 18,768.34 : x
  2. Step 2: Convert to fraction form
    60,884.83/91,335.84 = 18,768.34/x
  3. Step 3: Cross multiply
    60,884.83x = 91,335.84 × 18,768.34
  4. Step 4: Simplify right side
    60,884.83x = 1,714,222,099.31
  5. Step 5: Solve for x
    x = 1,714,222,099.31/60,884.83
  6. Step 6: Final answer
    x = 28,155.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.