Home / 57,848.42-86,771-18,407.90

Finding the Fourth Proportional to 57,848.42, 86,771 and 18,407.90

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Solution

The fourth proportional to 57,848.42, 86,771 and 18,407.90 is: 27,611.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,848.42 : 86,771 = 18,407.90 : x
  2. Step 2: Convert to fraction form
    57,848.42/86,771 = 18,407.90/x
  3. Step 3: Cross multiply
    57,848.42x = 86,771 × 18,407.90
  4. Step 4: Simplify right side
    57,848.42x = 1,597,271,890.90
  5. Step 5: Solve for x
    x = 1,597,271,890.90/57,848.42
  6. Step 6: Final answer
    x = 27,611.33

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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.