Home / 38,763.04-53,493.36-21,994.72

Finding the Fourth Proportional to 38,763.04, 53,493.36 and 21,994.72

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Solution

The fourth proportional to 38,763.04, 53,493.36 and 21,994.72 is: 30,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,763.04 : 53,493.36 = 21,994.72 : x
  2. Step 2: Convert to fraction form
    38,763.04/53,493.36 = 21,994.72/x
  3. Step 3: Cross multiply
    38,763.04x = 53,493.36 × 21,994.72
  4. Step 4: Simplify right side
    38,763.04x = 1,176,571,475.06
  5. Step 5: Solve for x
    x = 1,176,571,475.06/38,763.04
  6. Step 6: Final answer
    x = 30,352.92

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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.