Home / 39,424.84-54,406.90-22,428.68

Finding the Fourth Proportional to 39,424.84, 54,406.90 and 22,428.68

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Solution

The fourth proportional to 39,424.84, 54,406.90 and 22,428.68 is: 30,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,424.84 : 54,406.90 = 22,428.68 : x
  2. Step 2: Convert to fraction form
    39,424.84/54,406.90 = 22,428.68/x
  3. Step 3: Cross multiply
    39,424.84x = 54,406.90 × 22,428.68
  4. Step 4: Simplify right side
    39,424.84x = 1,220,274,949.89
  5. Step 5: Solve for x
    x = 1,220,274,949.89/39,424.84
  6. Step 6: Final answer
    x = 30,951.93

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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.