Home / 48,859.10-73,288.65-21,211.10

Finding the Fourth Proportional to 48,859.10, 73,288.65 and 21,211.10

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Solution

The fourth proportional to 48,859.10, 73,288.65 and 21,211.10 is: 31,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,859.10 : 73,288.65 = 21,211.10 : x
  2. Step 2: Convert to fraction form
    48,859.10/73,288.65 = 21,211.10/x
  3. Step 3: Cross multiply
    48,859.10x = 73,288.65 × 21,211.10
  4. Step 4: Simplify right side
    48,859.10x = 1,554,532,884.02
  5. Step 5: Solve for x
    x = 1,554,532,884.02/48,859.10
  6. Step 6: Final answer
    x = 31,816.65

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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.