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Finding the Fourth Proportional to 39,951.99, 59,937.74 and 13,297.93

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Solution

The fourth proportional to 39,951.99, 59,937.74 and 13,297.93 is: 19,950.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.99 : 59,937.74 = 13,297.93 : x
  2. Step 2: Convert to fraction form
    39,951.99/59,937.74 = 13,297.93/x
  3. Step 3: Cross multiply
    39,951.99x = 59,937.74 × 13,297.93
  4. Step 4: Simplify right side
    39,951.99x = 797,047,654.54
  5. Step 5: Solve for x
    x = 797,047,654.54/39,951.99
  6. Step 6: Final answer
    x = 19,950.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.