Home / 57,015.25-85,536.89-19,575.87

Finding the Fourth Proportional to 57,015.25, 85,536.89 and 19,575.87

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Solution

The fourth proportional to 57,015.25, 85,536.89 and 19,575.87 is: 29,368.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,015.25 : 85,536.89 = 19,575.87 : x
  2. Step 2: Convert to fraction form
    57,015.25/85,536.89 = 19,575.87/x
  3. Step 3: Cross multiply
    57,015.25x = 85,536.89 × 19,575.87
  4. Step 4: Simplify right side
    57,015.25x = 1,674,459,038.84
  5. Step 5: Solve for x
    x = 1,674,459,038.84/57,015.25
  6. Step 6: Final answer
    x = 29,368.62

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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.