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Finding the Fourth Proportional to 82,803.80, 124,224.98 and 23,640.28

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Solution

The fourth proportional to 82,803.80, 124,224.98 and 23,640.28 is: 35,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,803.80 : 124,224.98 = 23,640.28 : x
  2. Step 2: Convert to fraction form
    82,803.80/124,224.98 = 23,640.28/x
  3. Step 3: Cross multiply
    82,803.80x = 124,224.98 × 23,640.28
  4. Step 4: Simplify right side
    82,803.80x = 2,936,713,310.19
  5. Step 5: Solve for x
    x = 2,936,713,310.19/82,803.80
  6. Step 6: Final answer
    x = 35,465.92

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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.