Home / 30,296.80-45,434.16-10,569.76

Finding the Fourth Proportional to 30,296.80, 45,434.16 and 10,569.76

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Solution

The fourth proportional to 30,296.80, 45,434.16 and 10,569.76 is: 15,850.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.80 : 45,434.16 = 10,569.76 : x
  2. Step 2: Convert to fraction form
    30,296.80/45,434.16 = 10,569.76/x
  3. Step 3: Cross multiply
    30,296.80x = 45,434.16 × 10,569.76
  4. Step 4: Simplify right side
    30,296.80x = 480,228,167.00
  5. Step 5: Solve for x
    x = 480,228,167.00/30,296.80
  6. Step 6: Final answer
    x = 15,850.79

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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.