Home / 38,957.04-53,762.30-21,961.92

Finding the Fourth Proportional to 38,957.04, 53,762.30 and 21,961.92

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Solution

The fourth proportional to 38,957.04, 53,762.30 and 21,961.92 is: 30,308.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,957.04 : 53,762.30 = 21,961.92 : x
  2. Step 2: Convert to fraction form
    38,957.04/53,762.30 = 21,961.92/x
  3. Step 3: Cross multiply
    38,957.04x = 53,762.30 × 21,961.92
  4. Step 4: Simplify right side
    38,957.04x = 1,180,723,331.62
  5. Step 5: Solve for x
    x = 1,180,723,331.62/38,957.04
  6. Step 6: Final answer
    x = 30,308.34

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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.