Home / 51,243.40-70,705.14-31,110.88

Finding the Fourth Proportional to 51,243.40, 70,705.14 and 31,110.88

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Solution

The fourth proportional to 51,243.40, 70,705.14 and 31,110.88 is: 42,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,243.40 : 70,705.14 = 31,110.88 : x
  2. Step 2: Convert to fraction form
    51,243.40/70,705.14 = 31,110.88/x
  3. Step 3: Cross multiply
    51,243.40x = 70,705.14 × 31,110.88
  4. Step 4: Simplify right side
    51,243.40x = 2,199,699,125.92
  5. Step 5: Solve for x
    x = 2,199,699,125.92/51,243.40
  6. Step 6: Final answer
    x = 42,926.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.