Home / 39,435.84-54,416.16-22,669.92

Finding the Fourth Proportional to 39,435.84, 54,416.16 and 22,669.92

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Solution

The fourth proportional to 39,435.84, 54,416.16 and 22,669.92 is: 31,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,435.84 : 54,416.16 = 22,669.92 : x
  2. Step 2: Convert to fraction form
    39,435.84/54,416.16 = 22,669.92/x
  3. Step 3: Cross multiply
    39,435.84x = 54,416.16 × 22,669.92
  4. Step 4: Simplify right side
    39,435.84x = 1,233,609,993.91
  5. Step 5: Solve for x
    x = 1,233,609,993.91/39,435.84
  6. Step 6: Final answer
    x = 31,281.44

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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.