Home / 49,020.64-67,660.50-27,812.32

Finding the Fourth Proportional to 49,020.64, 67,660.50 and 27,812.32

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Solution

The fourth proportional to 49,020.64, 67,660.50 and 27,812.32 is: 38,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,020.64 : 67,660.50 = 27,812.32 : x
  2. Step 2: Convert to fraction form
    49,020.64/67,660.50 = 27,812.32/x
  3. Step 3: Cross multiply
    49,020.64x = 67,660.50 × 27,812.32
  4. Step 4: Simplify right side
    49,020.64x = 1,881,795,477.36
  5. Step 5: Solve for x
    x = 1,881,795,477.36/49,020.64
  6. Step 6: Final answer
    x = 38,387.82

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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.