Home / 57,256.19-85,872.99-19,301.71

Finding the Fourth Proportional to 57,256.19, 85,872.99 and 19,301.71

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Solution

The fourth proportional to 57,256.19, 85,872.99 and 19,301.71 is: 28,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,256.19 : 85,872.99 = 19,301.71 : x
  2. Step 2: Convert to fraction form
    57,256.19/85,872.99 = 19,301.71/x
  3. Step 3: Cross multiply
    57,256.19x = 85,872.99 × 19,301.71
  4. Step 4: Simplify right side
    57,256.19x = 1,657,495,043.39
  5. Step 5: Solve for x
    x = 1,657,495,043.39/57,256.19
  6. Step 6: Final answer
    x = 28,948.75

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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.