Home / 30,722.14-42,397.34-17,293.87

Finding the Fourth Proportional to 30,722.14, 42,397.34 and 17,293.87

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Solution

The fourth proportional to 30,722.14, 42,397.34 and 17,293.87 is: 23,865.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,722.14 : 42,397.34 = 17,293.87 : x
  2. Step 2: Convert to fraction form
    30,722.14/42,397.34 = 17,293.87/x
  3. Step 3: Cross multiply
    30,722.14x = 42,397.34 × 17,293.87
  4. Step 4: Simplify right side
    30,722.14x = 733,214,303.38
  5. Step 5: Solve for x
    x = 733,214,303.38/30,722.14
  6. Step 6: Final answer
    x = 23,865.99

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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.