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Finding the Fourth Proportional to 47,304.69, 70,966.77 and 19,224.68

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Solution

The fourth proportional to 47,304.69, 70,966.77 and 19,224.68 is: 28,840.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,304.69 : 70,966.77 = 19,224.68 : x
  2. Step 2: Convert to fraction form
    47,304.69/70,966.77 = 19,224.68/x
  3. Step 3: Cross multiply
    47,304.69x = 70,966.77 × 19,224.68
  4. Step 4: Simplify right side
    47,304.69x = 1,364,313,443.88
  5. Step 5: Solve for x
    x = 1,364,313,443.88/47,304.69
  6. Step 6: Final answer
    x = 28,840.98

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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.