Home / 55,030.84-82,579.05-19,973.23

Finding the Fourth Proportional to 55,030.84, 82,579.05 and 19,973.23

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Solution

The fourth proportional to 55,030.84, 82,579.05 and 19,973.23 is: 29,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,030.84 : 82,579.05 = 19,973.23 : x
  2. Step 2: Convert to fraction form
    55,030.84/82,579.05 = 19,973.23/x
  3. Step 3: Cross multiply
    55,030.84x = 82,579.05 × 19,973.23
  4. Step 4: Simplify right side
    55,030.84x = 1,649,370,358.83
  5. Step 5: Solve for x
    x = 1,649,370,358.83/55,030.84
  6. Step 6: Final answer
    x = 29,971.75

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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.