Home / 30,614.58-42,248.10-17,185.86

Finding the Fourth Proportional to 30,614.58, 42,248.10 and 17,185.86

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Solution

The fourth proportional to 30,614.58, 42,248.10 and 17,185.86 is: 23,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614.58 : 42,248.10 = 17,185.86 : x
  2. Step 2: Convert to fraction form
    30,614.58/42,248.10 = 17,185.86/x
  3. Step 3: Cross multiply
    30,614.58x = 42,248.10 × 17,185.86
  4. Step 4: Simplify right side
    30,614.58x = 726,069,931.87
  5. Step 5: Solve for x
    x = 726,069,931.87/30,614.58
  6. Step 6: Final answer
    x = 23,716.48

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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.