Home / 30,601.58-42,232.32-17,857.85

Finding the Fourth Proportional to 30,601.58, 42,232.32 and 17,857.85

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Solution

The fourth proportional to 30,601.58, 42,232.32 and 17,857.85 is: 24,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.58 : 42,232.32 = 17,857.85 : x
  2. Step 2: Convert to fraction form
    30,601.58/42,232.32 = 17,857.85/x
  3. Step 3: Cross multiply
    30,601.58x = 42,232.32 × 17,857.85
  4. Step 4: Simplify right side
    30,601.58x = 754,178,224.55
  5. Step 5: Solve for x
    x = 754,178,224.55/30,601.58
  6. Step 6: Final answer
    x = 24,645.08

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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.