Home / 38,582.84-57,859.58-13,618.24

Finding the Fourth Proportional to 38,582.84, 57,859.58 and 13,618.24

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Solution

The fourth proportional to 38,582.84, 57,859.58 and 13,618.24 is: 20,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,582.84 : 57,859.58 = 13,618.24 : x
  2. Step 2: Convert to fraction form
    38,582.84/57,859.58 = 13,618.24/x
  3. Step 3: Cross multiply
    38,582.84x = 57,859.58 × 13,618.24
  4. Step 4: Simplify right side
    38,582.84x = 787,945,646.74
  5. Step 5: Solve for x
    x = 787,945,646.74/38,582.84
  6. Step 6: Final answer
    x = 20,422.18

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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.