Home / 30,724.76-46,087.11-8,538.13

Finding the Fourth Proportional to 30,724.76, 46,087.11 and 8,538.13

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Solution

The fourth proportional to 30,724.76, 46,087.11 and 8,538.13 is: 12,807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,724.76 : 46,087.11 = 8,538.13 : x
  2. Step 2: Convert to fraction form
    30,724.76/46,087.11 = 8,538.13/x
  3. Step 3: Cross multiply
    30,724.76x = 46,087.11 × 8,538.13
  4. Step 4: Simplify right side
    30,724.76x = 393,497,736.50
  5. Step 5: Solve for x
    x = 393,497,736.50/30,724.76
  6. Step 6: Final answer
    x = 12,807.19

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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.