Home / 38,816.85-53,567.31-21,822.04

Finding the Fourth Proportional to 38,816.85, 53,567.31 and 21,822.04

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Solution

The fourth proportional to 38,816.85, 53,567.31 and 21,822.04 is: 30,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,816.85 : 53,567.31 = 21,822.04 : x
  2. Step 2: Convert to fraction form
    38,816.85/53,567.31 = 21,822.04/x
  3. Step 3: Cross multiply
    38,816.85x = 53,567.31 × 21,822.04
  4. Step 4: Simplify right side
    38,816.85x = 1,168,947,981.51
  5. Step 5: Solve for x
    x = 1,168,947,981.51/38,816.85
  6. Step 6: Final answer
    x = 30,114.45

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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.