Home / 38,385.04-57,594.84-20,828.56

Finding the Fourth Proportional to 38,385.04, 57,594.84 and 20,828.56

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Solution

The fourth proportional to 38,385.04, 57,594.84 and 20,828.56 is: 31,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385.04 : 57,594.84 = 20,828.56 : x
  2. Step 2: Convert to fraction form
    38,385.04/57,594.84 = 20,828.56/x
  3. Step 3: Cross multiply
    38,385.04x = 57,594.84 × 20,828.56
  4. Step 4: Simplify right side
    38,385.04x = 1,199,617,580.63
  5. Step 5: Solve for x
    x = 1,199,617,580.63/38,385.04
  6. Step 6: Final answer
    x = 31,252.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.