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Finding the Fourth Proportional to 47,291.30, 70,904.55 and 22,343.30

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Solution

The fourth proportional to 47,291.30, 70,904.55 and 22,343.30 is: 33,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,291.30 : 70,904.55 = 22,343.30 : x
  2. Step 2: Convert to fraction form
    47,291.30/70,904.55 = 22,343.30/x
  3. Step 3: Cross multiply
    47,291.30x = 70,904.55 × 22,343.30
  4. Step 4: Simplify right side
    47,291.30x = 1,584,241,632.02
  5. Step 5: Solve for x
    x = 1,584,241,632.02/47,291.30
  6. Step 6: Final answer
    x = 33,499.64

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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.