Home / 38,072.04-52,539.48-21,305.04

Finding the Fourth Proportional to 38,072.04, 52,539.48 and 21,305.04

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Solution

The fourth proportional to 38,072.04, 52,539.48 and 21,305.04 is: 29,400.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,072.04 : 52,539.48 = 21,305.04 : x
  2. Step 2: Convert to fraction form
    38,072.04/52,539.48 = 21,305.04/x
  3. Step 3: Cross multiply
    38,072.04x = 52,539.48 × 21,305.04
  4. Step 4: Simplify right side
    38,072.04x = 1,119,355,722.98
  5. Step 5: Solve for x
    x = 1,119,355,722.98/38,072.04
  6. Step 6: Final answer
    x = 29,400.99

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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.