Home / 47,700.84-71,553.76-14,420.05

Finding the Fourth Proportional to 47,700.84, 71,553.76 and 14,420.05

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Solution

The fourth proportional to 47,700.84, 71,553.76 and 14,420.05 is: 21,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,700.84 : 71,553.76 = 14,420.05 : x
  2. Step 2: Convert to fraction form
    47,700.84/71,553.76 = 14,420.05/x
  3. Step 3: Cross multiply
    47,700.84x = 71,553.76 × 14,420.05
  4. Step 4: Simplify right side
    47,700.84x = 1,031,808,796.89
  5. Step 5: Solve for x
    x = 1,031,808,796.89/47,700.84
  6. Step 6: Final answer
    x = 21,630.83

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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.