Home / 39,071.96-58,603.08-15,690.50

Finding the Fourth Proportional to 39,071.96, 58,603.08 and 15,690.50

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Solution

The fourth proportional to 39,071.96, 58,603.08 and 15,690.50 is: 23,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,071.96 : 58,603.08 = 15,690.50 : x
  2. Step 2: Convert to fraction form
    39,071.96/58,603.08 = 15,690.50/x
  3. Step 3: Cross multiply
    39,071.96x = 58,603.08 × 15,690.50
  4. Step 4: Simplify right side
    39,071.96x = 919,511,626.74
  5. Step 5: Solve for x
    x = 919,511,626.74/39,071.96
  6. Step 6: Final answer
    x = 23,533.80

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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.