Home / 48,441.40-72,637.80-22,116.40

Finding the Fourth Proportional to 48,441.40, 72,637.80 and 22,116.40

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Solution

The fourth proportional to 48,441.40, 72,637.80 and 22,116.40 is: 33,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,441.40 : 72,637.80 = 22,116.40 : x
  2. Step 2: Convert to fraction form
    48,441.40/72,637.80 = 22,116.40/x
  3. Step 3: Cross multiply
    48,441.40x = 72,637.80 × 22,116.40
  4. Step 4: Simplify right side
    48,441.40x = 1,606,486,639.92
  5. Step 5: Solve for x
    x = 1,606,486,639.92/48,441.40
  6. Step 6: Final answer
    x = 33,163.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.