Home / 48,014.10-72,020.34-21,718.80

Finding the Fourth Proportional to 48,014.10, 72,020.34 and 21,718.80

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Solution

The fourth proportional to 48,014.10, 72,020.34 and 21,718.80 is: 32,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,014.10 : 72,020.34 = 21,718.80 : x
  2. Step 2: Convert to fraction form
    48,014.10/72,020.34 = 21,718.80/x
  3. Step 3: Cross multiply
    48,014.10x = 72,020.34 × 21,718.80
  4. Step 4: Simplify right side
    48,014.10x = 1,564,195,360.39
  5. Step 5: Solve for x
    x = 1,564,195,360.39/48,014.10
  6. Step 6: Final answer
    x = 32,577.83

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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.