Home / 54,347.50-81,316.86-32,171.32

Finding the Fourth Proportional to 54,347.50, 81,316.86 and 32,171.32

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Solution

The fourth proportional to 54,347.50, 81,316.86 and 32,171.32 is: 48,135.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,347.50 : 81,316.86 = 32,171.32 : x
  2. Step 2: Convert to fraction form
    54,347.50/81,316.86 = 32,171.32/x
  3. Step 3: Cross multiply
    54,347.50x = 81,316.86 × 32,171.32
  4. Step 4: Simplify right side
    54,347.50x = 2,616,070,724.46
  5. Step 5: Solve for x
    x = 2,616,070,724.46/54,347.50
  6. Step 6: Final answer
    x = 48,135.99

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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.