Home / 45,851.35-68,772.42-12,574.77

Finding the Fourth Proportional to 45,851.35, 68,772.42 and 12,574.77

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Solution

The fourth proportional to 45,851.35, 68,772.42 and 12,574.77 is: 18,860.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,851.35 : 68,772.42 = 12,574.77 : x
  2. Step 2: Convert to fraction form
    45,851.35/68,772.42 = 12,574.77/x
  3. Step 3: Cross multiply
    45,851.35x = 68,772.42 × 12,574.77
  4. Step 4: Simplify right side
    45,851.35x = 864,797,363.84
  5. Step 5: Solve for x
    x = 864,797,363.84/45,851.35
  6. Step 6: Final answer
    x = 18,860.89

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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.