Home / 38,567.08-53,223.78-21,801.16

Finding the Fourth Proportional to 38,567.08, 53,223.78 and 21,801.16

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Solution

The fourth proportional to 38,567.08, 53,223.78 and 21,801.16 is: 30,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,567.08 : 53,223.78 = 21,801.16 : x
  2. Step 2: Convert to fraction form
    38,567.08/53,223.78 = 21,801.16/x
  3. Step 3: Cross multiply
    38,567.08x = 53,223.78 × 21,801.16
  4. Step 4: Simplify right side
    38,567.08x = 1,160,340,143.58
  5. Step 5: Solve for x
    x = 1,160,340,143.58/38,567.08
  6. Step 6: Final answer
    x = 30,086.28

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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.