Home / 43,995.36-66,008.16-12,835.20

Finding the Fourth Proportional to 43,995.36, 66,008.16 and 12,835.20

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Solution

The fourth proportional to 43,995.36, 66,008.16 and 12,835.20 is: 19,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,995.36 : 66,008.16 = 12,835.20 : x
  2. Step 2: Convert to fraction form
    43,995.36/66,008.16 = 12,835.20/x
  3. Step 3: Cross multiply
    43,995.36x = 66,008.16 × 12,835.20
  4. Step 4: Simplify right side
    43,995.36x = 847,227,935.23
  5. Step 5: Solve for x
    x = 847,227,935.23/43,995.36
  6. Step 6: Final answer
    x = 19,257.21

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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.