Home / 30,558.06-45,837.12-8,371.62

Finding the Fourth Proportional to 30,558.06, 45,837.12 and 8,371.62

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Solution

The fourth proportional to 30,558.06, 45,837.12 and 8,371.62 is: 12,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.06 : 45,837.12 = 8,371.62 : x
  2. Step 2: Convert to fraction form
    30,558.06/45,837.12 = 8,371.62/x
  3. Step 3: Cross multiply
    30,558.06x = 45,837.12 × 8,371.62
  4. Step 4: Simplify right side
    30,558.06x = 383,730,950.53
  5. Step 5: Solve for x
    x = 383,730,950.53/30,558.06
  6. Step 6: Final answer
    x = 12,557.44

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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.