Home / 39,307.20-58,874.40-34,929.60

Finding the Fourth Proportional to 39,307.20, 58,874.40 and 34,929.60

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Solution

The fourth proportional to 39,307.20, 58,874.40 and 34,929.60 is: 52,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,307.20 : 58,874.40 = 34,929.60 : x
  2. Step 2: Convert to fraction form
    39,307.20/58,874.40 = 34,929.60/x
  3. Step 3: Cross multiply
    39,307.20x = 58,874.40 × 34,929.60
  4. Step 4: Simplify right side
    39,307.20x = 2,056,459,242.24
  5. Step 5: Solve for x
    x = 2,056,459,242.24/39,307.20
  6. Step 6: Final answer
    x = 52,317.62

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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.