Home / 39,314.21-58,960.35-13,021.00

Finding the Fourth Proportional to 39,314.21, 58,960.35 and 13,021.00

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Solution

The fourth proportional to 39,314.21, 58,960.35 and 13,021.00 is: 19,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,314.21 : 58,960.35 = 13,021.00 : x
  2. Step 2: Convert to fraction form
    39,314.21/58,960.35 = 13,021.00/x
  3. Step 3: Cross multiply
    39,314.21x = 58,960.35 × 13,021.00
  4. Step 4: Simplify right side
    39,314.21x = 767,722,422.55
  5. Step 5: Solve for x
    x = 767,722,422.55/39,314.21
  6. Step 6: Final answer
    x = 19,527.86

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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.