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Finding the Fourth Proportional to 60,912.51, 84,077.07 and 35,424.84

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Solution

The fourth proportional to 60,912.51, 84,077.07 and 35,424.84 is: 48,896.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,912.51 : 84,077.07 = 35,424.84 : x
  2. Step 2: Convert to fraction form
    60,912.51/84,077.07 = 35,424.84/x
  3. Step 3: Cross multiply
    60,912.51x = 84,077.07 × 35,424.84
  4. Step 4: Simplify right side
    60,912.51x = 2,978,416,752.42
  5. Step 5: Solve for x
    x = 2,978,416,752.42/60,912.51
  6. Step 6: Final answer
    x = 48,896.63

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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.