Home / 48,686.87-67,228.85-30,813.41

Finding the Fourth Proportional to 48,686.87, 67,228.85 and 30,813.41

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Solution

The fourth proportional to 48,686.87, 67,228.85 and 30,813.41 is: 42,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,686.87 : 67,228.85 = 30,813.41 : x
  2. Step 2: Convert to fraction form
    48,686.87/67,228.85 = 30,813.41/x
  3. Step 3: Cross multiply
    48,686.87x = 67,228.85 × 30,813.41
  4. Step 4: Simplify right side
    48,686.87x = 2,071,550,118.88
  5. Step 5: Solve for x
    x = 2,071,550,118.88/48,686.87
  6. Step 6: Final answer
    x = 42,548.43

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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.