Home / 47,358.31-65,378.10-29,459.08

Finding the Fourth Proportional to 47,358.31, 65,378.10 and 29,459.08

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Solution

The fourth proportional to 47,358.31, 65,378.10 and 29,459.08 is: 40,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,358.31 : 65,378.10 = 29,459.08 : x
  2. Step 2: Convert to fraction form
    47,358.31/65,378.10 = 29,459.08/x
  3. Step 3: Cross multiply
    47,358.31x = 65,378.10 × 29,459.08
  4. Step 4: Simplify right side
    47,358.31x = 1,925,978,678.15
  5. Step 5: Solve for x
    x = 1,925,978,678.15/47,358.31
  6. Step 6: Final answer
    x = 40,668.23

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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.