Home / 39,934.40-55,109.40-22,030.52

Finding the Fourth Proportional to 39,934.40, 55,109.40 and 22,030.52

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Solution

The fourth proportional to 39,934.40, 55,109.40 and 22,030.52 is: 30,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,934.40 : 55,109.40 = 22,030.52 : x
  2. Step 2: Convert to fraction form
    39,934.40/55,109.40 = 22,030.52/x
  3. Step 3: Cross multiply
    39,934.40x = 55,109.40 × 22,030.52
  4. Step 4: Simplify right side
    39,934.40x = 1,214,088,738.89
  5. Step 5: Solve for x
    x = 1,214,088,738.89/39,934.40
  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.