Home / 30,296.06-45,451.68-10,574.78

Finding the Fourth Proportional to 30,296.06, 45,451.68 and 10,574.78

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Solution

The fourth proportional to 30,296.06, 45,451.68 and 10,574.78 is: 15,864.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.06 : 45,451.68 = 10,574.78 : x
  2. Step 2: Convert to fraction form
    30,296.06/45,451.68 = 10,574.78/x
  3. Step 3: Cross multiply
    30,296.06x = 45,451.68 × 10,574.78
  4. Step 4: Simplify right side
    30,296.06x = 480,641,516.63
  5. Step 5: Solve for x
    x = 480,641,516.63/30,296.06
  6. Step 6: Final answer
    x = 15,864.82

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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.