Home / 38,567.24-53,220.66-21,572.16

Finding the Fourth Proportional to 38,567.24, 53,220.66 and 21,572.16

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Solution

The fourth proportional to 38,567.24, 53,220.66 and 21,572.16 is: 29,768.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,567.24 : 53,220.66 = 21,572.16 : x
  2. Step 2: Convert to fraction form
    38,567.24/53,220.66 = 21,572.16/x
  3. Step 3: Cross multiply
    38,567.24x = 53,220.66 × 21,572.16
  4. Step 4: Simplify right side
    38,567.24x = 1,148,084,592.83
  5. Step 5: Solve for x
    x = 1,148,084,592.83/38,567.24
  6. Step 6: Final answer
    x = 29,768.39

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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.