Home / 45,852.21-68,781.11-12,570.93

Finding the Fourth Proportional to 45,852.21, 68,781.11 and 12,570.93

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Solution

The fourth proportional to 45,852.21, 68,781.11 and 12,570.93 is: 18,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,852.21 : 68,781.11 = 12,570.93 : x
  2. Step 2: Convert to fraction form
    45,852.21/68,781.11 = 12,570.93/x
  3. Step 3: Cross multiply
    45,852.21x = 68,781.11 × 12,570.93
  4. Step 4: Simplify right side
    45,852.21x = 864,642,456.28
  5. Step 5: Solve for x
    x = 864,642,456.28/45,852.21
  6. Step 6: Final answer
    x = 18,857.16

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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.