Home / 45,874.84-68,812.20-30,288.76

Finding the Fourth Proportional to 45,874.84, 68,812.20 and 30,288.76

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Solution

The fourth proportional to 45,874.84, 68,812.20 and 30,288.76 is: 45,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,874.84 : 68,812.20 = 30,288.76 : x
  2. Step 2: Convert to fraction form
    45,874.84/68,812.20 = 30,288.76/x
  3. Step 3: Cross multiply
    45,874.84x = 68,812.20 × 30,288.76
  4. Step 4: Simplify right side
    45,874.84x = 2,084,236,210.87
  5. Step 5: Solve for x
    x = 2,084,236,210.87/45,874.84
  6. Step 6: Final answer
    x = 45,433.10

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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.