Home / 47,066.31-70,583.79-18,979.11

Finding the Fourth Proportional to 47,066.31, 70,583.79 and 18,979.11

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Solution

The fourth proportional to 47,066.31, 70,583.79 and 18,979.11 is: 28,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,066.31 : 70,583.79 = 18,979.11 : x
  2. Step 2: Convert to fraction form
    47,066.31/70,583.79 = 18,979.11/x
  3. Step 3: Cross multiply
    47,066.31x = 70,583.79 × 18,979.11
  4. Step 4: Simplify right side
    47,066.31x = 1,339,617,514.63
  5. Step 5: Solve for x
    x = 1,339,617,514.63/47,066.31
  6. Step 6: Final answer
    x = 28,462.34

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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.