Home / 39,276.56-54,202.21-21,371.58

Finding the Fourth Proportional to 39,276.56, 54,202.21 and 21,371.58

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Solution

The fourth proportional to 39,276.56, 54,202.21 and 21,371.58 is: 29,493.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,276.56 : 54,202.21 = 21,371.58 : x
  2. Step 2: Convert to fraction form
    39,276.56/54,202.21 = 21,371.58/x
  3. Step 3: Cross multiply
    39,276.56x = 54,202.21 × 21,371.58
  4. Step 4: Simplify right side
    39,276.56x = 1,158,386,813.76
  5. Step 5: Solve for x
    x = 1,158,386,813.76/39,276.56
  6. Step 6: Final answer
    x = 29,493.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.