Home / 30,366.05-45,538.07-12,837.24

Finding the Fourth Proportional to 30,366.05, 45,538.07 and 12,837.24

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Solution

The fourth proportional to 30,366.05, 45,538.07 and 12,837.24 is: 19,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.05 : 45,538.07 = 12,837.24 : x
  2. Step 2: Convert to fraction form
    30,366.05/45,538.07 = 12,837.24/x
  3. Step 3: Cross multiply
    30,366.05x = 45,538.07 × 12,837.24
  4. Step 4: Simplify right side
    30,366.05x = 584,583,069.54
  5. Step 5: Solve for x
    x = 584,583,069.54/30,366.05
  6. Step 6: Final answer
    x = 19,251.21

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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.