Home / 51,008.61-70,377.30-30,850.95

Finding the Fourth Proportional to 51,008.61, 70,377.30 and 30,850.95

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Solution

The fourth proportional to 51,008.61, 70,377.30 and 30,850.95 is: 42,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,008.61 : 70,377.30 = 30,850.95 : x
  2. Step 2: Convert to fraction form
    51,008.61/70,377.30 = 30,850.95/x
  3. Step 3: Cross multiply
    51,008.61x = 70,377.30 × 30,850.95
  4. Step 4: Simplify right side
    51,008.61x = 2,171,206,563.44
  5. Step 5: Solve for x
    x = 2,171,206,563.44/51,008.61
  6. Step 6: Final answer
    x = 42,565.49

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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.