Home / 30,709.52-42,367.14-17,277.74

Finding the Fourth Proportional to 30,709.52, 42,367.14 and 17,277.74

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Solution

The fourth proportional to 30,709.52, 42,367.14 and 17,277.74 is: 23,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,709.52 : 42,367.14 = 17,277.74 : x
  2. Step 2: Convert to fraction form
    30,709.52/42,367.14 = 17,277.74/x
  3. Step 3: Cross multiply
    30,709.52x = 42,367.14 × 17,277.74
  4. Step 4: Simplify right side
    30,709.52x = 732,008,429.46
  5. Step 5: Solve for x
    x = 732,008,429.46/30,709.52
  6. Step 6: Final answer
    x = 23,836.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.