Home / 38,470.04-53,089.66-21,474.21

Finding the Fourth Proportional to 38,470.04, 53,089.66 and 21,474.21

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Solution

The fourth proportional to 38,470.04, 53,089.66 and 21,474.21 is: 29,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,470.04 : 53,089.66 = 21,474.21 : x
  2. Step 2: Convert to fraction form
    38,470.04/53,089.66 = 21,474.21/x
  3. Step 3: Cross multiply
    38,470.04x = 53,089.66 × 21,474.21
  4. Step 4: Simplify right side
    38,470.04x = 1,140,058,507.67
  5. Step 5: Solve for x
    x = 1,140,058,507.67/38,470.04
  6. Step 6: Final answer
    x = 29,634.97

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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.