Home / 39,021.76-58,535.29-13,718.20

Finding the Fourth Proportional to 39,021.76, 58,535.29 and 13,718.20

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Solution

The fourth proportional to 39,021.76, 58,535.29 and 13,718.20 is: 20,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,021.76 : 58,535.29 = 13,718.20 : x
  2. Step 2: Convert to fraction form
    39,021.76/58,535.29 = 13,718.20/x
  3. Step 3: Cross multiply
    39,021.76x = 58,535.29 × 13,718.20
  4. Step 4: Simplify right side
    39,021.76x = 802,998,815.28
  5. Step 5: Solve for x
    x = 802,998,815.28/39,021.76
  6. Step 6: Final answer
    x = 20,578.23

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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.