Home / 39,721.01-54,807.98-22,722.89

Finding the Fourth Proportional to 39,721.01, 54,807.98 and 22,722.89

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Solution

The fourth proportional to 39,721.01, 54,807.98 and 22,722.89 is: 31,353.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,721.01 : 54,807.98 = 22,722.89 : x
  2. Step 2: Convert to fraction form
    39,721.01/54,807.98 = 22,722.89/x
  3. Step 3: Cross multiply
    39,721.01x = 54,807.98 × 22,722.89
  4. Step 4: Simplify right side
    39,721.01x = 1,245,395,313.01
  5. Step 5: Solve for x
    x = 1,245,395,313.01/39,721.01
  6. Step 6: Final answer
    x = 31,353.57

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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.