Home / 58,811.09-81,141.42-33,313.40

Finding the Fourth Proportional to 58,811.09, 81,141.42 and 33,313.40

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Solution

The fourth proportional to 58,811.09, 81,141.42 and 33,313.40 is: 45,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,811.09 : 81,141.42 = 33,313.40 : x
  2. Step 2: Convert to fraction form
    58,811.09/81,141.42 = 33,313.40/x
  3. Step 3: Cross multiply
    58,811.09x = 81,141.42 × 33,313.40
  4. Step 4: Simplify right side
    58,811.09x = 2,703,096,783.88
  5. Step 5: Solve for x
    x = 2,703,096,783.88/58,811.09
  6. Step 6: Final answer
    x = 45,962.36

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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.