Home / 39,934.05-55,108.30-22,030.77

Finding the Fourth Proportional to 39,934.05, 55,108.30 and 22,030.77

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Solution

The fourth proportional to 39,934.05, 55,108.30 and 22,030.77 is: 30,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,934.05 : 55,108.30 = 22,030.77 : x
  2. Step 2: Convert to fraction form
    39,934.05/55,108.30 = 22,030.77/x
  3. Step 3: Cross multiply
    39,934.05x = 55,108.30 × 22,030.77
  4. Step 4: Simplify right side
    39,934.05x = 1,214,078,282.39
  5. Step 5: Solve for x
    x = 1,214,078,282.39/39,934.05
  6. Step 6: Final answer
    x = 30,402.08

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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.