Home / 39,939.86-55,117.18-22,035.39

Finding the Fourth Proportional to 39,939.86, 55,117.18 and 22,035.39

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Solution

The fourth proportional to 39,939.86, 55,117.18 and 22,035.39 is: 30,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.86 : 55,117.18 = 22,035.39 : x
  2. Step 2: Convert to fraction form
    39,939.86/55,117.18 = 22,035.39/x
  3. Step 3: Cross multiply
    39,939.86x = 55,117.18 × 22,035.39
  4. Step 4: Simplify right side
    39,939.86x = 1,214,528,749.86
  5. Step 5: Solve for x
    x = 1,214,528,749.86/39,939.86
  6. Step 6: Final answer
    x = 30,408.94

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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.