Home / 39,148.98-58,729.44-12,847.50

Finding the Fourth Proportional to 39,148.98, 58,729.44 and 12,847.50

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Solution

The fourth proportional to 39,148.98, 58,729.44 and 12,847.50 is: 19,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148.98 : 58,729.44 = 12,847.50 : x
  2. Step 2: Convert to fraction form
    39,148.98/58,729.44 = 12,847.50/x
  3. Step 3: Cross multiply
    39,148.98x = 58,729.44 × 12,847.50
  4. Step 4: Simplify right side
    39,148.98x = 754,526,480.40
  5. Step 5: Solve for x
    x = 754,526,480.40/39,148.98
  6. Step 6: Final answer
    x = 19,273.21

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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.