Home / 52,138.18-72,009.81-35,112.84

Finding the Fourth Proportional to 52,138.18, 72,009.81 and 35,112.84

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Solution

The fourth proportional to 52,138.18, 72,009.81 and 35,112.84 is: 48,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,138.18 : 72,009.81 = 35,112.84 : x
  2. Step 2: Convert to fraction form
    52,138.18/72,009.81 = 35,112.84/x
  3. Step 3: Cross multiply
    52,138.18x = 72,009.81 × 35,112.84
  4. Step 4: Simplify right side
    52,138.18x = 2,528,469,071.98
  5. Step 5: Solve for x
    x = 2,528,469,071.98/52,138.18
  6. Step 6: Final answer
    x = 48,495.54

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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.