Home / 39,355.07-54,310.02-22,359.35

Finding the Fourth Proportional to 39,355.07, 54,310.02 and 22,359.35

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Solution

The fourth proportional to 39,355.07, 54,310.02 and 22,359.35 is: 30,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,355.07 : 54,310.02 = 22,359.35 : x
  2. Step 2: Convert to fraction form
    39,355.07/54,310.02 = 22,359.35/x
  3. Step 3: Cross multiply
    39,355.07x = 54,310.02 × 22,359.35
  4. Step 4: Simplify right side
    39,355.07x = 1,214,336,362.34
  5. Step 5: Solve for x
    x = 1,214,336,362.34/39,355.07
  6. Step 6: Final answer
    x = 30,855.91

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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.