Home / 58,738.79-81,057.36-31,880.72

Finding the Fourth Proportional to 58,738.79, 81,057.36 and 31,880.72

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Solution

The fourth proportional to 58,738.79, 81,057.36 and 31,880.72 is: 43,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,738.79 : 81,057.36 = 31,880.72 : x
  2. Step 2: Convert to fraction form
    58,738.79/81,057.36 = 31,880.72/x
  3. Step 3: Cross multiply
    58,738.79x = 81,057.36 × 31,880.72
  4. Step 4: Simplify right side
    58,738.79x = 2,584,167,140.97
  5. Step 5: Solve for x
    x = 2,584,167,140.97/58,738.79
  6. Step 6: Final answer
    x = 43,994.22

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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.