Home / 39,948.70-55,126.83-22,045.39

Finding the Fourth Proportional to 39,948.70, 55,126.83 and 22,045.39

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Solution

The fourth proportional to 39,948.70, 55,126.83 and 22,045.39 is: 30,421.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,948.70 : 55,126.83 = 22,045.39 : x
  2. Step 2: Convert to fraction form
    39,948.70/55,126.83 = 22,045.39/x
  3. Step 3: Cross multiply
    39,948.70x = 55,126.83 × 22,045.39
  4. Step 4: Simplify right side
    39,948.70x = 1,215,292,466.81
  5. Step 5: Solve for x
    x = 1,215,292,466.81/39,948.70
  6. Step 6: Final answer
    x = 30,421.33

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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.