Home / 48,526.68-72,787.32-20,434.80

Finding the Fourth Proportional to 48,526.68, 72,787.32 and 20,434.80

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Solution

The fourth proportional to 48,526.68, 72,787.32 and 20,434.80 is: 30,651.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,526.68 : 72,787.32 = 20,434.80 : x
  2. Step 2: Convert to fraction form
    48,526.68/72,787.32 = 20,434.80/x
  3. Step 3: Cross multiply
    48,526.68x = 72,787.32 × 20,434.80
  4. Step 4: Simplify right side
    48,526.68x = 1,487,394,326.74
  5. Step 5: Solve for x
    x = 1,487,394,326.74/48,526.68
  6. Step 6: Final answer
    x = 30,651.06

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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.