Home / 34,679.40-47,857.48-18,763.84

Finding the Fourth Proportional to 34,679.40, 47,857.48 and 18,763.84

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Solution

The fourth proportional to 34,679.40, 47,857.48 and 18,763.84 is: 25,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,679.40 : 47,857.48 = 18,763.84 : x
  2. Step 2: Convert to fraction form
    34,679.40/47,857.48 = 18,763.84/x
  3. Step 3: Cross multiply
    34,679.40x = 47,857.48 × 18,763.84
  4. Step 4: Simplify right side
    34,679.40x = 897,990,097.52
  5. Step 5: Solve for x
    x = 897,990,097.52/34,679.40
  6. Step 6: Final answer
    x = 25,894.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.