Home / 30,368.32-45,488.49-19,269.16

Finding the Fourth Proportional to 30,368.32, 45,488.49 and 19,269.16

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Solution

The fourth proportional to 30,368.32, 45,488.49 and 19,269.16 is: 28,863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,368.32 : 45,488.49 = 19,269.16 : x
  2. Step 2: Convert to fraction form
    30,368.32/45,488.49 = 19,269.16/x
  3. Step 3: Cross multiply
    30,368.32x = 45,488.49 × 19,269.16
  4. Step 4: Simplify right side
    30,368.32x = 876,524,991.97
  5. Step 5: Solve for x
    x = 876,524,991.97/30,368.32
  6. Step 6: Final answer
    x = 28,863.14

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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.