Home / 29,140.04-40,189.72-19,577.04

Finding the Fourth Proportional to 29,140.04, 40,189.72 and 19,577.04

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Solution

The fourth proportional to 29,140.04, 40,189.72 and 19,577.04 is: 27,000.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,140.04 : 40,189.72 = 19,577.04 : x
  2. Step 2: Convert to fraction form
    29,140.04/40,189.72 = 19,577.04/x
  3. Step 3: Cross multiply
    29,140.04x = 40,189.72 × 19,577.04
  4. Step 4: Simplify right side
    29,140.04x = 786,795,756.03
  5. Step 5: Solve for x
    x = 786,795,756.03/29,140.04
  6. Step 6: Final answer
    x = 27,000.50

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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.