Home / 45,590.06-68,337.68-18,950.56

Finding the Fourth Proportional to 45,590.06, 68,337.68 and 18,950.56

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Solution

The fourth proportional to 45,590.06, 68,337.68 and 18,950.56 is: 28,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,590.06 : 68,337.68 = 18,950.56 : x
  2. Step 2: Convert to fraction form
    45,590.06/68,337.68 = 18,950.56/x
  3. Step 3: Cross multiply
    45,590.06x = 68,337.68 × 18,950.56
  4. Step 4: Simplify right side
    45,590.06x = 1,295,037,039.50
  5. Step 5: Solve for x
    x = 1,295,037,039.50/45,590.06
  6. Step 6: Final answer
    x = 28,406.13

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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.