Home / 39,098.52-58,647.78-12,803.40

Finding the Fourth Proportional to 39,098.52, 58,647.78 and 12,803.40

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Solution

The fourth proportional to 39,098.52, 58,647.78 and 12,803.40 is: 19,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,098.52 : 58,647.78 = 12,803.40 : x
  2. Step 2: Convert to fraction form
    39,098.52/58,647.78 = 12,803.40/x
  3. Step 3: Cross multiply
    39,098.52x = 58,647.78 × 12,803.40
  4. Step 4: Simplify right side
    39,098.52x = 750,890,986.45
  5. Step 5: Solve for x
    x = 750,890,986.45/39,098.52
  6. Step 6: Final answer
    x = 19,205.10

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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.