Home / 48,303.41-72,455.40-21,989.75

Finding the Fourth Proportional to 48,303.41, 72,455.40 and 21,989.75

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Solution

The fourth proportional to 48,303.41, 72,455.40 and 21,989.75 is: 32,984.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,303.41 : 72,455.40 = 21,989.75 : x
  2. Step 2: Convert to fraction form
    48,303.41/72,455.40 = 21,989.75/x
  3. Step 3: Cross multiply
    48,303.41x = 72,455.40 × 21,989.75
  4. Step 4: Simplify right side
    48,303.41x = 1,593,276,132.15
  5. Step 5: Solve for x
    x = 1,593,276,132.15/48,303.41
  6. Step 6: Final answer
    x = 32,984.75

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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.