Home / 29,140.12-43,740.54-25,829.40

Finding the Fourth Proportional to 29,140.12, 43,740.54 and 25,829.40

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Solution

The fourth proportional to 29,140.12, 43,740.54 and 25,829.40 is: 38,771.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,140.12 : 43,740.54 = 25,829.40 : x
  2. Step 2: Convert to fraction form
    29,140.12/43,740.54 = 25,829.40/x
  3. Step 3: Cross multiply
    29,140.12x = 43,740.54 × 25,829.40
  4. Step 4: Simplify right side
    29,140.12x = 1,129,791,903.88
  5. Step 5: Solve for x
    x = 1,129,791,903.88/29,140.12
  6. Step 6: Final answer
    x = 38,771.01

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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.