Home / 84,954.85-127,429.37-21,775.59

Finding the Fourth Proportional to 84,954.85, 127,429.37 and 21,775.59

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Solution

The fourth proportional to 84,954.85, 127,429.37 and 21,775.59 is: 32,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,954.85 : 127,429.37 = 21,775.59 : x
  2. Step 2: Convert to fraction form
    84,954.85/127,429.37 = 21,775.59/x
  3. Step 3: Cross multiply
    84,954.85x = 127,429.37 × 21,775.59
  4. Step 4: Simplify right side
    84,954.85x = 2,774,849,715.08
  5. Step 5: Solve for x
    x = 2,774,849,715.08/84,954.85
  6. Step 6: Final answer
    x = 32,662.64

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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.