Home / 30,904.50-42,648.21-16,757.34

Finding the Fourth Proportional to 30,904.50, 42,648.21 and 16,757.34

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Solution

The fourth proportional to 30,904.50, 42,648.21 and 16,757.34 is: 23,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904.50 : 42,648.21 = 16,757.34 : x
  2. Step 2: Convert to fraction form
    30,904.50/42,648.21 = 16,757.34/x
  3. Step 3: Cross multiply
    30,904.50x = 42,648.21 × 16,757.34
  4. Step 4: Simplify right side
    30,904.50x = 714,670,555.36
  5. Step 5: Solve for x
    x = 714,670,555.36/30,904.50
  6. Step 6: Final answer
    x = 23,125.13

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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.