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Finding the Fourth Proportional to 58,713.71, 81,019.37 and 33,216.93

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Solution

The fourth proportional to 58,713.71, 81,019.37 and 33,216.93 is: 45,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,713.71 : 81,019.37 = 33,216.93 : x
  2. Step 2: Convert to fraction form
    58,713.71/81,019.37 = 33,216.93/x
  3. Step 3: Cross multiply
    58,713.71x = 81,019.37 × 33,216.93
  4. Step 4: Simplify right side
    58,713.71x = 2,691,214,824.98
  5. Step 5: Solve for x
    x = 2,691,214,824.98/58,713.71
  6. Step 6: Final answer
    x = 45,836.23

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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.