Home / 53,555.74-80,342.75-18,020.46

Finding the Fourth Proportional to 53,555.74, 80,342.75 and 18,020.46

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Solution

The fourth proportional to 53,555.74, 80,342.75 and 18,020.46 is: 27,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,555.74 : 80,342.75 = 18,020.46 : x
  2. Step 2: Convert to fraction form
    53,555.74/80,342.75 = 18,020.46/x
  3. Step 3: Cross multiply
    53,555.74x = 80,342.75 × 18,020.46
  4. Step 4: Simplify right side
    53,555.74x = 1,447,813,312.67
  5. Step 5: Solve for x
    x = 1,447,813,312.67/53,555.74
  6. Step 6: Final answer
    x = 27,033.77

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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.