Home / 48,631.33-72,940.51-13,574.53

Finding the Fourth Proportional to 48,631.33, 72,940.51 and 13,574.53

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Solution

The fourth proportional to 48,631.33, 72,940.51 and 13,574.53 is: 20,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,631.33 : 72,940.51 = 13,574.53 : x
  2. Step 2: Convert to fraction form
    48,631.33/72,940.51 = 13,574.53/x
  3. Step 3: Cross multiply
    48,631.33x = 72,940.51 × 13,574.53
  4. Step 4: Simplify right side
    48,631.33x = 990,133,141.21
  5. Step 5: Solve for x
    x = 990,133,141.21/48,631.33
  6. Step 6: Final answer
    x = 20,359.98

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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.