Home / 58,438.92-87,672.15-18,996.06

Finding the Fourth Proportional to 58,438.92, 87,672.15 and 18,996.06

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Solution

The fourth proportional to 58,438.92, 87,672.15 and 18,996.06 is: 28,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,438.92 : 87,672.15 = 18,996.06 : x
  2. Step 2: Convert to fraction form
    58,438.92/87,672.15 = 18,996.06/x
  3. Step 3: Cross multiply
    58,438.92x = 87,672.15 × 18,996.06
  4. Step 4: Simplify right side
    58,438.92x = 1,665,425,421.73
  5. Step 5: Solve for x
    x = 1,665,425,421.73/58,438.92
  6. Step 6: Final answer
    x = 28,498.57

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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.