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Finding the Fourth Proportional to 47,271.35, 70,906.95 and 21,957.02

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Solution

The fourth proportional to 47,271.35, 70,906.95 and 21,957.02 is: 32,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,271.35 : 70,906.95 = 21,957.02 : x
  2. Step 2: Convert to fraction form
    47,271.35/70,906.95 = 21,957.02/x
  3. Step 3: Cross multiply
    47,271.35x = 70,906.95 × 21,957.02
  4. Step 4: Simplify right side
    47,271.35x = 1,556,905,319.29
  5. Step 5: Solve for x
    x = 1,556,905,319.29/47,271.35
  6. Step 6: Final answer
    x = 32,935.50

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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.