Home / 84,688.21-127,032.31-22,359.25

Finding the Fourth Proportional to 84,688.21, 127,032.31 and 22,359.25

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Solution

The fourth proportional to 84,688.21, 127,032.31 and 22,359.25 is: 33,538.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,688.21 : 127,032.31 = 22,359.25 : x
  2. Step 2: Convert to fraction form
    84,688.21/127,032.31 = 22,359.25/x
  3. Step 3: Cross multiply
    84,688.21x = 127,032.31 × 22,359.25
  4. Step 4: Simplify right side
    84,688.21x = 2,840,346,542.21
  5. Step 5: Solve for x
    x = 2,840,346,542.21/84,688.21
  6. Step 6: Final answer
    x = 33,538.87

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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.