Home / 58,421.97-87,653.31-18,447.12

Finding the Fourth Proportional to 58,421.97, 87,653.31 and 18,447.12

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Solution

The fourth proportional to 58,421.97, 87,653.31 and 18,447.12 is: 27,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,421.97 : 87,653.31 = 18,447.12 : x
  2. Step 2: Convert to fraction form
    58,421.97/87,653.31 = 18,447.12/x
  3. Step 3: Cross multiply
    58,421.97x = 87,653.31 × 18,447.12
  4. Step 4: Simplify right side
    58,421.97x = 1,616,951,127.97
  5. Step 5: Solve for x
    x = 1,616,951,127.97/58,421.97
  6. Step 6: Final answer
    x = 27,677.11

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1.5x scale

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.