Home / 39,083.66-58,611.13-13,430.72

Finding the Fourth Proportional to 39,083.66, 58,611.13 and 13,430.72

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Solution

The fourth proportional to 39,083.66, 58,611.13 and 13,430.72 is: 20,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,083.66 : 58,611.13 = 13,430.72 : x
  2. Step 2: Convert to fraction form
    39,083.66/58,611.13 = 13,430.72/x
  3. Step 3: Cross multiply
    39,083.66x = 58,611.13 × 13,430.72
  4. Step 4: Simplify right side
    39,083.66x = 787,189,315.70
  5. Step 5: Solve for x
    x = 787,189,315.70/39,083.66
  6. Step 6: Final answer
    x = 20,141.14

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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.