Home / 30,680.14-45,960.07-15,898.76

Finding the Fourth Proportional to 30,680.14, 45,960.07 and 15,898.76

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Solution

The fourth proportional to 30,680.14, 45,960.07 and 15,898.76 is: 23,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680.14 : 45,960.07 = 15,898.76 : x
  2. Step 2: Convert to fraction form
    30,680.14/45,960.07 = 15,898.76/x
  3. Step 3: Cross multiply
    30,680.14x = 45,960.07 × 15,898.76
  4. Step 4: Simplify right side
    30,680.14x = 730,708,122.51
  5. Step 5: Solve for x
    x = 730,708,122.51/30,680.14
  6. Step 6: Final answer
    x = 23,816.97

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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.