Home / 48,634.04-72,900.48-20,530.64

Finding the Fourth Proportional to 48,634.04, 72,900.48 and 20,530.64

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Solution

The fourth proportional to 48,634.04, 72,900.48 and 20,530.64 is: 30,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,634.04 : 72,900.48 = 20,530.64 : x
  2. Step 2: Convert to fraction form
    48,634.04/72,900.48 = 20,530.64/x
  3. Step 3: Cross multiply
    48,634.04x = 72,900.48 × 20,530.64
  4. Step 4: Simplify right side
    48,634.04x = 1,496,693,510.71
  5. Step 5: Solve for x
    x = 1,496,693,510.71/48,634.04
  6. Step 6: Final answer
    x = 30,774.61

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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.