Home / 47,678.63-71,530.70-16,513.88

Finding the Fourth Proportional to 47,678.63, 71,530.70 and 16,513.88

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Solution

The fourth proportional to 47,678.63, 71,530.70 and 16,513.88 is: 24,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,678.63 : 71,530.70 = 16,513.88 : x
  2. Step 2: Convert to fraction form
    47,678.63/71,530.70 = 16,513.88/x
  3. Step 3: Cross multiply
    47,678.63x = 71,530.70 × 16,513.88
  4. Step 4: Simplify right side
    47,678.63x = 1,181,248,955.89
  5. Step 5: Solve for x
    x = 1,181,248,955.89/47,678.63
  6. Step 6: Final answer
    x = 24,775.23

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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.