Home / 39,574.37-54,612.58-21,669.37

Finding the Fourth Proportional to 39,574.37, 54,612.58 and 21,669.37

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Solution

The fourth proportional to 39,574.37, 54,612.58 and 21,669.37 is: 29,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,574.37 : 54,612.58 = 21,669.37 : x
  2. Step 2: Convert to fraction form
    39,574.37/54,612.58 = 21,669.37/x
  3. Step 3: Cross multiply
    39,574.37x = 54,612.58 × 21,669.37
  4. Step 4: Simplify right side
    39,574.37x = 1,183,420,359.80
  5. Step 5: Solve for x
    x = 1,183,420,359.80/39,574.37
  6. Step 6: Final answer
    x = 29,903.70

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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.