Home / 30,891.18-42,628.46-17,465.42

Finding the Fourth Proportional to 30,891.18, 42,628.46 and 17,465.42

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Solution

The fourth proportional to 30,891.18, 42,628.46 and 17,465.42 is: 24,101.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891.18 : 42,628.46 = 17,465.42 : x
  2. Step 2: Convert to fraction form
    30,891.18/42,628.46 = 17,465.42/x
  3. Step 3: Cross multiply
    30,891.18x = 42,628.46 × 17,465.42
  4. Step 4: Simplify right side
    30,891.18x = 744,523,957.85
  5. Step 5: Solve for x
    x = 744,523,957.85/30,891.18
  6. Step 6: Final answer
    x = 24,101.51

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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.