Home / 30,445.32-42,014.42-17,016.56

Finding the Fourth Proportional to 30,445.32, 42,014.42 and 17,016.56

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Solution

The fourth proportional to 30,445.32, 42,014.42 and 17,016.56 is: 23,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,445.32 : 42,014.42 = 17,016.56 : x
  2. Step 2: Convert to fraction form
    30,445.32/42,014.42 = 17,016.56/x
  3. Step 3: Cross multiply
    30,445.32x = 42,014.42 × 17,016.56
  4. Step 4: Simplify right side
    30,445.32x = 714,940,898.80
  5. Step 5: Solve for x
    x = 714,940,898.80/30,445.32
  6. Step 6: Final answer
    x = 23,482.78

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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.