Home / 30,246.08-45,363.18-28,745.82

Finding the Fourth Proportional to 30,246.08, 45,363.18 and 28,745.82

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Solution

The fourth proportional to 30,246.08, 45,363.18 and 28,745.82 is: 43,113.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.08 : 45,363.18 = 28,745.82 : x
  2. Step 2: Convert to fraction form
    30,246.08/45,363.18 = 28,745.82/x
  3. Step 3: Cross multiply
    30,246.08x = 45,363.18 × 28,745.82
  4. Step 4: Simplify right side
    30,246.08x = 1,304,001,806.91
  5. Step 5: Solve for x
    x = 1,304,001,806.91/30,246.08
  6. Step 6: Final answer
    x = 43,113.09

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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.