Home / 48,493.07-72,685.67-20,404.83

Finding the Fourth Proportional to 48,493.07, 72,685.67 and 20,404.83

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Solution

The fourth proportional to 48,493.07, 72,685.67 and 20,404.83 is: 30,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,493.07 : 72,685.67 = 20,404.83 : x
  2. Step 2: Convert to fraction form
    48,493.07/72,685.67 = 20,404.83/x
  3. Step 3: Cross multiply
    48,493.07x = 72,685.67 × 20,404.83
  4. Step 4: Simplify right side
    48,493.07x = 1,483,138,637.76
  5. Step 5: Solve for x
    x = 1,483,138,637.76/48,493.07
  6. Step 6: Final answer
    x = 30,584.55

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1.5x scale

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.