Home / 82,975.56-124,463.36-20,646.06

Finding the Fourth Proportional to 82,975.56, 124,463.36 and 20,646.06

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Solution

The fourth proportional to 82,975.56, 124,463.36 and 20,646.06 is: 30,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,975.56 : 124,463.36 = 20,646.06 : x
  2. Step 2: Convert to fraction form
    82,975.56/124,463.36 = 20,646.06/x
  3. Step 3: Cross multiply
    82,975.56x = 124,463.36 × 20,646.06
  4. Step 4: Simplify right side
    82,975.56x = 2,569,677,738.82
  5. Step 5: Solve for x
    x = 2,569,677,738.82/82,975.56
  6. Step 6: Final answer
    x = 30,969.09

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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.