Home / 55,027.84-82,574.55-19,970.23

Finding the Fourth Proportional to 55,027.84, 82,574.55 and 19,970.23

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Solution

The fourth proportional to 55,027.84, 82,574.55 and 19,970.23 is: 29,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,027.84 : 82,574.55 = 19,970.23 : x
  2. Step 2: Convert to fraction form
    55,027.84/82,574.55 = 19,970.23/x
  3. Step 3: Cross multiply
    55,027.84x = 82,574.55 × 19,970.23
  4. Step 4: Simplify right side
    55,027.84x = 1,649,032,242.92
  5. Step 5: Solve for x
    x = 1,649,032,242.92/55,027.84
  6. Step 6: Final answer
    x = 29,967.24

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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.