Home / 54,035.77-74,585.20-31,384.94

Finding the Fourth Proportional to 54,035.77, 74,585.20 and 31,384.94

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Solution

The fourth proportional to 54,035.77, 74,585.20 and 31,384.94 is: 43,320.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,035.77 : 74,585.20 = 31,384.94 : x
  2. Step 2: Convert to fraction form
    54,035.77/74,585.20 = 31,384.94/x
  3. Step 3: Cross multiply
    54,035.77x = 74,585.20 × 31,384.94
  4. Step 4: Simplify right side
    54,035.77x = 2,340,852,134.89
  5. Step 5: Solve for x
    x = 2,340,852,134.89/54,035.77
  6. Step 6: Final answer
    x = 43,320.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.