Home / 78,829.84-118,142.08-32,028

Finding the Fourth Proportional to 78,829.84, 118,142.08 and 32,028

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Solution

The fourth proportional to 78,829.84, 118,142.08 and 32,028 is: 48,000.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,829.84 : 118,142.08 = 32,028 : x
  2. Step 2: Convert to fraction form
    78,829.84/118,142.08 = 32,028/x
  3. Step 3: Cross multiply
    78,829.84x = 118,142.08 × 32,028
  4. Step 4: Simplify right side
    78,829.84x = 3,783,854,538.24
  5. Step 5: Solve for x
    x = 3,783,854,538.24/78,829.84
  6. Step 6: Final answer
    x = 48,000.28

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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.