Home / 48,085.79-72,121.39-16,913.75

Finding the Fourth Proportional to 48,085.79, 72,121.39 and 16,913.75

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Solution

The fourth proportional to 48,085.79, 72,121.39 and 16,913.75 is: 25,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,085.79 : 72,121.39 = 16,913.75 : x
  2. Step 2: Convert to fraction form
    48,085.79/72,121.39 = 16,913.75/x
  3. Step 3: Cross multiply
    48,085.79x = 72,121.39 × 16,913.75
  4. Step 4: Simplify right side
    48,085.79x = 1,219,843,160.11
  5. Step 5: Solve for x
    x = 1,219,843,160.11/48,085.79
  6. Step 6: Final answer
    x = 25,368.06

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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.