Home / 30,757.72-42,445.65-16,610.57

Finding the Fourth Proportional to 30,757.72, 42,445.65 and 16,610.57

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Solution

The fourth proportional to 30,757.72, 42,445.65 and 16,610.57 is: 22,922.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,757.72 : 42,445.65 = 16,610.57 : x
  2. Step 2: Convert to fraction form
    30,757.72/42,445.65 = 16,610.57/x
  3. Step 3: Cross multiply
    30,757.72x = 42,445.65 × 16,610.57
  4. Step 4: Simplify right side
    30,757.72x = 705,046,228.29
  5. Step 5: Solve for x
    x = 705,046,228.29/30,757.72
  6. Step 6: Final answer
    x = 22,922.58

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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.