Home / 57,282.64-85,931.49-21,254.19

Finding the Fourth Proportional to 57,282.64, 85,931.49 and 21,254.19

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Solution

The fourth proportional to 57,282.64, 85,931.49 and 21,254.19 is: 31,884.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,282.64 : 85,931.49 = 21,254.19 : x
  2. Step 2: Convert to fraction form
    57,282.64/85,931.49 = 21,254.19/x
  3. Step 3: Cross multiply
    57,282.64x = 85,931.49 × 21,254.19
  4. Step 4: Simplify right side
    57,282.64x = 1,826,404,215.44
  5. Step 5: Solve for x
    x = 1,826,404,215.44/57,282.64
  6. Step 6: Final answer
    x = 31,884.08

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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.