Home / 54,622.20-81,953.04-19,088.76

Finding the Fourth Proportional to 54,622.20, 81,953.04 and 19,088.76

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Solution

The fourth proportional to 54,622.20, 81,953.04 and 19,088.76 is: 28,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,622.20 : 81,953.04 = 19,088.76 : x
  2. Step 2: Convert to fraction form
    54,622.20/81,953.04 = 19,088.76/x
  3. Step 3: Cross multiply
    54,622.20x = 81,953.04 × 19,088.76
  4. Step 4: Simplify right side
    54,622.20x = 1,564,381,911.83
  5. Step 5: Solve for x
    x = 1,564,381,911.83/54,622.20
  6. Step 6: Final answer
    x = 28,640.04

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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.