Home / 31,533.58-47,300.37-8,159.95

Finding the Fourth Proportional to 31,533.58, 47,300.37 and 8,159.95

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Solution

The fourth proportional to 31,533.58, 47,300.37 and 8,159.95 is: 12,239.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533.58 : 47,300.37 = 8,159.95 : x
  2. Step 2: Convert to fraction form
    31,533.58/47,300.37 = 8,159.95/x
  3. Step 3: Cross multiply
    31,533.58x = 47,300.37 × 8,159.95
  4. Step 4: Simplify right side
    31,533.58x = 385,968,654.18
  5. Step 5: Solve for x
    x = 385,968,654.18/31,533.58
  6. Step 6: Final answer
    x = 12,239.93

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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.