Home / 52,838.55-72,917.84-28,964.70

Finding the Fourth Proportional to 52,838.55, 72,917.84 and 28,964.70

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Solution

The fourth proportional to 52,838.55, 72,917.84 and 28,964.70 is: 39,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,838.55 : 72,917.84 = 28,964.70 : x
  2. Step 2: Convert to fraction form
    52,838.55/72,917.84 = 28,964.70/x
  3. Step 3: Cross multiply
    52,838.55x = 72,917.84 × 28,964.70
  4. Step 4: Simplify right side
    52,838.55x = 2,112,043,215.42
  5. Step 5: Solve for x
    x = 2,112,043,215.42/52,838.55
  6. Step 6: Final answer
    x = 39,971.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.