Home / 39,420.42-54,395.39-22,426.83

Finding the Fourth Proportional to 39,420.42, 54,395.39 and 22,426.83

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Solution

The fourth proportional to 39,420.42, 54,395.39 and 22,426.83 is: 30,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420.42 : 54,395.39 = 22,426.83 : x
  2. Step 2: Convert to fraction form
    39,420.42/54,395.39 = 22,426.83/x
  3. Step 3: Cross multiply
    39,420.42x = 54,395.39 × 22,426.83
  4. Step 4: Simplify right side
    39,420.42x = 1,219,916,052.18
  5. Step 5: Solve for x
    x = 1,219,916,052.18/39,420.42
  6. Step 6: Final answer
    x = 30,946.30

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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.