Home / 30,548.48-45,763.06-14,515.20

Finding the Fourth Proportional to 30,548.48, 45,763.06 and 14,515.20

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Solution

The fourth proportional to 30,548.48, 45,763.06 and 14,515.20 is: 21,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,548.48 : 45,763.06 = 14,515.20 : x
  2. Step 2: Convert to fraction form
    30,548.48/45,763.06 = 14,515.20/x
  3. Step 3: Cross multiply
    30,548.48x = 45,763.06 × 14,515.20
  4. Step 4: Simplify right side
    30,548.48x = 664,259,739.70
  5. Step 5: Solve for x
    x = 664,259,739.70/30,548.48
  6. Step 6: Final answer
    x = 21,744.44

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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.