Home / 39,239.07-58,850.30-12,937.56

Finding the Fourth Proportional to 39,239.07, 58,850.30 and 12,937.56

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Solution

The fourth proportional to 39,239.07, 58,850.30 and 12,937.56 is: 19,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,239.07 : 58,850.30 = 12,937.56 : x
  2. Step 2: Convert to fraction form
    39,239.07/58,850.30 = 12,937.56/x
  3. Step 3: Cross multiply
    39,239.07x = 58,850.30 × 12,937.56
  4. Step 4: Simplify right side
    39,239.07x = 761,379,319.61
  5. Step 5: Solve for x
    x = 761,379,319.61/39,239.07
  6. Step 6: Final answer
    x = 19,403.60

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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.