Home / 39,323.60-58,961.20-19,307.64

Finding the Fourth Proportional to 39,323.60, 58,961.20 and 19,307.64

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Solution

The fourth proportional to 39,323.60, 58,961.20 and 19,307.64 is: 28,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,323.60 : 58,961.20 = 19,307.64 : x
  2. Step 2: Convert to fraction form
    39,323.60/58,961.20 = 19,307.64/x
  3. Step 3: Cross multiply
    39,323.60x = 58,961.20 × 19,307.64
  4. Step 4: Simplify right side
    39,323.60x = 1,138,401,623.57
  5. Step 5: Solve for x
    x = 1,138,401,623.57/39,323.60
  6. Step 6: Final answer
    x = 28,949.58

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1.5x scale

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.