Home / 39,927.21-59,880.59-11,840.70

Finding the Fourth Proportional to 39,927.21, 59,880.59 and 11,840.70

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Solution

The fourth proportional to 39,927.21, 59,880.59 and 11,840.70 is: 17,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927.21 : 59,880.59 = 11,840.70 : x
  2. Step 2: Convert to fraction form
    39,927.21/59,880.59 = 11,840.70/x
  3. Step 3: Cross multiply
    39,927.21x = 59,880.59 × 11,840.70
  4. Step 4: Simplify right side
    39,927.21x = 709,028,042.81
  5. Step 5: Solve for x
    x = 709,028,042.81/39,927.21
  6. Step 6: Final answer
    x = 17,758.02

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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.