Home / 70,861.14-97,788.12-39,030

Finding the Fourth Proportional to 70,861.14, 97,788.12 and 39,030

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Solution

The fourth proportional to 70,861.14, 97,788.12 and 39,030 is: 53,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,861.14 : 97,788.12 = 39,030 : x
  2. Step 2: Convert to fraction form
    70,861.14/97,788.12 = 39,030/x
  3. Step 3: Cross multiply
    70,861.14x = 97,788.12 × 39,030
  4. Step 4: Simplify right side
    70,861.14x = 3,816,670,323.60
  5. Step 5: Solve for x
    x = 3,816,670,323.60/70,861.14
  6. Step 6: Final answer
    x = 53,861.26

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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.