Home / 55,342.47-82,984.86-19,790.08

Finding the Fourth Proportional to 55,342.47, 82,984.86 and 19,790.08

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Solution

The fourth proportional to 55,342.47, 82,984.86 and 19,790.08 is: 29,674.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,342.47 : 82,984.86 = 19,790.08 : x
  2. Step 2: Convert to fraction form
    55,342.47/82,984.86 = 19,790.08/x
  3. Step 3: Cross multiply
    55,342.47x = 82,984.86 × 19,790.08
  4. Step 4: Simplify right side
    55,342.47x = 1,642,277,018.19
  5. Step 5: Solve for x
    x = 1,642,277,018.19/55,342.47
  6. Step 6: Final answer
    x = 29,674.81

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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.