Home / 57,032.13-85,488.87-21,469.02

Finding the Fourth Proportional to 57,032.13, 85,488.87 and 21,469.02

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Solution

The fourth proportional to 57,032.13, 85,488.87 and 21,469.02 is: 32,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,032.13 : 85,488.87 = 21,469.02 : x
  2. Step 2: Convert to fraction form
    57,032.13/85,488.87 = 21,469.02/x
  3. Step 3: Cross multiply
    57,032.13x = 85,488.87 × 21,469.02
  4. Step 4: Simplify right side
    57,032.13x = 1,835,362,259.81
  5. Step 5: Solve for x
    x = 1,835,362,259.81/57,032.13
  6. Step 6: Final answer
    x = 32,181.20

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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.