Home / 39,226.58-54,133.29-21,321.63

Finding the Fourth Proportional to 39,226.58, 54,133.29 and 21,321.63

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Solution

The fourth proportional to 39,226.58, 54,133.29 and 21,321.63 is: 29,424.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,226.58 : 54,133.29 = 21,321.63 : x
  2. Step 2: Convert to fraction form
    39,226.58/54,133.29 = 21,321.63/x
  3. Step 3: Cross multiply
    39,226.58x = 54,133.29 × 21,321.63
  4. Step 4: Simplify right side
    39,226.58x = 1,154,209,816.28
  5. Step 5: Solve for x
    x = 1,154,209,816.28/39,226.58
  6. Step 6: Final answer
    x = 29,424.18

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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.