Home / 39,065.52-53,929.08-22,295.28

Finding the Fourth Proportional to 39,065.52, 53,929.08 and 22,295.28

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Solution

The fourth proportional to 39,065.52, 53,929.08 and 22,295.28 is: 30,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,065.52 : 53,929.08 = 22,295.28 : x
  2. Step 2: Convert to fraction form
    39,065.52/53,929.08 = 22,295.28/x
  3. Step 3: Cross multiply
    39,065.52x = 53,929.08 × 22,295.28
  4. Step 4: Simplify right side
    39,065.52x = 1,202,363,938.74
  5. Step 5: Solve for x
    x = 1,202,363,938.74/39,065.52
  6. Step 6: Final answer
    x = 30,778.14

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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.