Home / 30,757.56-42,445.44-16,610.40

Finding the Fourth Proportional to 30,757.56, 42,445.44 and 16,610.40

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Solution

The fourth proportional to 30,757.56, 42,445.44 and 16,610.40 is: 22,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,757.56 : 42,445.44 = 16,610.40 : x
  2. Step 2: Convert to fraction form
    30,757.56/42,445.44 = 16,610.40/x
  3. Step 3: Cross multiply
    30,757.56x = 42,445.44 × 16,610.40
  4. Step 4: Simplify right side
    30,757.56x = 705,035,736.58
  5. Step 5: Solve for x
    x = 705,035,736.58/30,757.56
  6. Step 6: Final answer
    x = 22,922.36

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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.