Home / 30,440.08-42,007.19-17,011.33

Finding the Fourth Proportional to 30,440.08, 42,007.19 and 17,011.33

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Solution

The fourth proportional to 30,440.08, 42,007.19 and 17,011.33 is: 23,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,440.08 : 42,007.19 = 17,011.33 : x
  2. Step 2: Convert to fraction form
    30,440.08/42,007.19 = 17,011.33/x
  3. Step 3: Cross multiply
    30,440.08x = 42,007.19 × 17,011.33
  4. Step 4: Simplify right side
    30,440.08x = 714,597,981.39
  5. Step 5: Solve for x
    x = 714,597,981.39/30,440.08
  6. Step 6: Final answer
    x = 23,475.56

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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.