Home / 84,935.68-127,403.58-21,756.04

Finding the Fourth Proportional to 84,935.68, 127,403.58 and 21,756.04

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Solution

The fourth proportional to 84,935.68, 127,403.58 and 21,756.04 is: 32,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,935.68 : 127,403.58 = 21,756.04 : x
  2. Step 2: Convert to fraction form
    84,935.68/127,403.58 = 21,756.04/x
  3. Step 3: Cross multiply
    84,935.68x = 127,403.58 × 21,756.04
  4. Step 4: Simplify right side
    84,935.68x = 2,771,797,382.62
  5. Step 5: Solve for x
    x = 2,771,797,382.62/84,935.68
  6. Step 6: Final answer
    x = 32,634.08

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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.