Home / 39,288.40-54,214.83-22,288.58

Finding the Fourth Proportional to 39,288.40, 54,214.83 and 22,288.58

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Solution

The fourth proportional to 39,288.40, 54,214.83 and 22,288.58 is: 30,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,288.40 : 54,214.83 = 22,288.58 : x
  2. Step 2: Convert to fraction form
    39,288.40/54,214.83 = 22,288.58/x
  3. Step 3: Cross multiply
    39,288.40x = 54,214.83 × 22,288.58
  4. Step 4: Simplify right side
    39,288.40x = 1,208,371,575.64
  5. Step 5: Solve for x
    x = 1,208,371,575.64/39,288.40
  6. Step 6: Final answer
    x = 30,756.45

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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.