Home / 55,975.07-83,962.48-18,535.21

Finding the Fourth Proportional to 55,975.07, 83,962.48 and 18,535.21

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Solution

The fourth proportional to 55,975.07, 83,962.48 and 18,535.21 is: 27,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,975.07 : 83,962.48 = 18,535.21 : x
  2. Step 2: Convert to fraction form
    55,975.07/83,962.48 = 18,535.21/x
  3. Step 3: Cross multiply
    55,975.07x = 83,962.48 × 18,535.21
  4. Step 4: Simplify right side
    55,975.07x = 1,556,262,064.84
  5. Step 5: Solve for x
    x = 1,556,262,064.84/55,975.07
  6. Step 6: Final answer
    x = 27,802.77

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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.