Home / 54,904.02-82,342.25-21,163.26

Finding the Fourth Proportional to 54,904.02, 82,342.25 and 21,163.26

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Solution

The fourth proportional to 54,904.02, 82,342.25 and 21,163.26 is: 31,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,904.02 : 82,342.25 = 21,163.26 : x
  2. Step 2: Convert to fraction form
    54,904.02/82,342.25 = 21,163.26/x
  3. Step 3: Cross multiply
    54,904.02x = 82,342.25 × 21,163.26
  4. Step 4: Simplify right side
    54,904.02x = 1,742,630,445.74
  5. Step 5: Solve for x
    x = 1,742,630,445.74/54,904.02
  6. Step 6: Final answer
    x = 31,739.58

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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.