Home / 39,371.87-54,333.18-21,466.92

Finding the Fourth Proportional to 39,371.87, 54,333.18 and 21,466.92

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Solution

The fourth proportional to 39,371.87, 54,333.18 and 21,466.92 is: 29,624.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,371.87 : 54,333.18 = 21,466.92 : x
  2. Step 2: Convert to fraction form
    39,371.87/54,333.18 = 21,466.92/x
  3. Step 3: Cross multiply
    39,371.87x = 54,333.18 × 21,466.92
  4. Step 4: Simplify right side
    39,371.87x = 1,166,366,232.16
  5. Step 5: Solve for x
    x = 1,166,366,232.16/39,371.87
  6. Step 6: Final answer
    x = 29,624.35

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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.