Home / 82,836.90-124,259.45-23,681.28

Finding the Fourth Proportional to 82,836.90, 124,259.45 and 23,681.28

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Solution

The fourth proportional to 82,836.90, 124,259.45 and 23,681.28 is: 35,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,836.90 : 124,259.45 = 23,681.28 : x
  2. Step 2: Convert to fraction form
    82,836.90/124,259.45 = 23,681.28/x
  3. Step 3: Cross multiply
    82,836.90x = 124,259.45 × 23,681.28
  4. Step 4: Simplify right side
    82,836.90x = 2,942,622,828.10
  5. Step 5: Solve for x
    x = 2,942,622,828.10/82,836.90
  6. Step 6: Final answer
    x = 35,523.09

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1.5x scale

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.