Home / 45,424.40-68,147.50-14,259.64

Finding the Fourth Proportional to 45,424.40, 68,147.50 and 14,259.64

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Solution

The fourth proportional to 45,424.40, 68,147.50 and 14,259.64 is: 21,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,424.40 : 68,147.50 = 14,259.64 : x
  2. Step 2: Convert to fraction form
    45,424.40/68,147.50 = 14,259.64/x
  3. Step 3: Cross multiply
    45,424.40x = 68,147.50 × 14,259.64
  4. Step 4: Simplify right side
    45,424.40x = 971,758,816.90
  5. Step 5: Solve for x
    x = 971,758,816.90/45,424.40
  6. Step 6: Final answer
    x = 21,392.88

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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.