Home / 48,185.70-72,277.20-21,890.40

Finding the Fourth Proportional to 48,185.70, 72,277.20 and 21,890.40

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Solution

The fourth proportional to 48,185.70, 72,277.20 and 21,890.40 is: 32,834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,185.70 : 72,277.20 = 21,890.40 : x
  2. Step 2: Convert to fraction form
    48,185.70/72,277.20 = 21,890.40/x
  3. Step 3: Cross multiply
    48,185.70x = 72,277.20 × 21,890.40
  4. Step 4: Simplify right side
    48,185.70x = 1,582,176,818.88
  5. Step 5: Solve for x
    x = 1,582,176,818.88/48,185.70
  6. Step 6: Final answer
    x = 32,834.99

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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.