Home / 30,679.14-45,958.57-15,897.76

Finding the Fourth Proportional to 30,679.14, 45,958.57 and 15,897.76

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Solution

The fourth proportional to 30,679.14, 45,958.57 and 15,897.76 is: 23,815.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,679.14 : 45,958.57 = 15,897.76 : x
  2. Step 2: Convert to fraction form
    30,679.14/45,958.57 = 15,897.76/x
  3. Step 3: Cross multiply
    30,679.14x = 45,958.57 × 15,897.76
  4. Step 4: Simplify right side
    30,679.14x = 730,638,315.80
  5. Step 5: Solve for x
    x = 730,638,315.80/30,679.14
  6. Step 6: Final answer
    x = 23,815.48

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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.