Home / 57,877.29-86,829.72-18,434.34

Finding the Fourth Proportional to 57,877.29, 86,829.72 and 18,434.34

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Solution

The fourth proportional to 57,877.29, 86,829.72 and 18,434.34 is: 27,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,877.29 : 86,829.72 = 18,434.34 : x
  2. Step 2: Convert to fraction form
    57,877.29/86,829.72 = 18,434.34/x
  3. Step 3: Cross multiply
    57,877.29x = 86,829.72 × 18,434.34
  4. Step 4: Simplify right side
    57,877.29x = 1,600,648,580.58
  5. Step 5: Solve for x
    x = 1,600,648,580.58/57,877.29
  6. Step 6: Final answer
    x = 27,655.90

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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.