Home / 84,689.37-127,039.46-22,358.25

Finding the Fourth Proportional to 84,689.37, 127,039.46 and 22,358.25

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Solution

The fourth proportional to 84,689.37, 127,039.46 and 22,358.25 is: 33,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,689.37 : 127,039.46 = 22,358.25 : x
  2. Step 2: Convert to fraction form
    84,689.37/127,039.46 = 22,358.25/x
  3. Step 3: Cross multiply
    84,689.37x = 127,039.46 × 22,358.25
  4. Step 4: Simplify right side
    84,689.37x = 2,840,379,894.75
  5. Step 5: Solve for x
    x = 2,840,379,894.75/84,689.37
  6. Step 6: Final answer
    x = 33,538.80

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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.