Home / 45,172.17-67,745.46-28,507.23

Finding the Fourth Proportional to 45,172.17, 67,745.46 and 28,507.23

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Solution

The fourth proportional to 45,172.17, 67,745.46 and 28,507.23 is: 42,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,172.17 : 67,745.46 = 28,507.23 : x
  2. Step 2: Convert to fraction form
    45,172.17/67,745.46 = 28,507.23/x
  3. Step 3: Cross multiply
    45,172.17x = 67,745.46 × 28,507.23
  4. Step 4: Simplify right side
    45,172.17x = 1,931,235,409.68
  5. Step 5: Solve for x
    x = 1,931,235,409.68/45,172.17
  6. Step 6: Final answer
    x = 42,752.77

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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.