Home / 58,848.70-81,211.74-31,991.26

Finding the Fourth Proportional to 58,848.70, 81,211.74 and 31,991.26

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Solution

The fourth proportional to 58,848.70, 81,211.74 and 31,991.26 is: 44,148.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,848.70 : 81,211.74 = 31,991.26 : x
  2. Step 2: Convert to fraction form
    58,848.70/81,211.74 = 31,991.26/x
  3. Step 3: Cross multiply
    58,848.70x = 81,211.74 × 31,991.26
  4. Step 4: Simplify right side
    58,848.70x = 2,598,065,870.94
  5. Step 5: Solve for x
    x = 2,598,065,870.94/58,848.70
  6. Step 6: Final answer
    x = 44,148.23

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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.