Home / 45,320.85-67,972.77-19,025.82

Finding the Fourth Proportional to 45,320.85, 67,972.77 and 19,025.82

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Solution

The fourth proportional to 45,320.85, 67,972.77 and 19,025.82 is: 28,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,320.85 : 67,972.77 = 19,025.82 : x
  2. Step 2: Convert to fraction form
    45,320.85/67,972.77 = 19,025.82/x
  3. Step 3: Cross multiply
    45,320.85x = 67,972.77 × 19,025.82
  4. Step 4: Simplify right side
    45,320.85x = 1,293,237,686.92
  5. Step 5: Solve for x
    x = 1,293,237,686.92/45,320.85
  6. Step 6: Final answer
    x = 28,535.16

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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.