Home / 30,760.11-42,448.95-16,612.96

Finding the Fourth Proportional to 30,760.11, 42,448.95 and 16,612.96

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Solution

The fourth proportional to 30,760.11, 42,448.95 and 16,612.96 is: 22,925.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,760.11 : 42,448.95 = 16,612.96 : x
  2. Step 2: Convert to fraction form
    30,760.11/42,448.95 = 16,612.96/x
  3. Step 3: Cross multiply
    30,760.11x = 42,448.95 × 16,612.96
  4. Step 4: Simplify right side
    30,760.11x = 705,202,708.39
  5. Step 5: Solve for x
    x = 705,202,708.39/30,760.11
  6. Step 6: Final answer
    x = 22,925.88

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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.