Home / 30,669.14-45,970.90-15,863.15

Finding the Fourth Proportional to 30,669.14, 45,970.90 and 15,863.15

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Solution

The fourth proportional to 30,669.14, 45,970.90 and 15,863.15 is: 23,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669.14 : 45,970.90 = 15,863.15 : x
  2. Step 2: Convert to fraction form
    30,669.14/45,970.90 = 15,863.15/x
  3. Step 3: Cross multiply
    30,669.14x = 45,970.90 × 15,863.15
  4. Step 4: Simplify right side
    30,669.14x = 729,243,282.34
  5. Step 5: Solve for x
    x = 729,243,282.34/30,669.14
  6. Step 6: Final answer
    x = 23,777.75

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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.