Home / 30,242.51-45,367.40-12,710.06

Finding the Fourth Proportional to 30,242.51, 45,367.40 and 12,710.06

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Solution

The fourth proportional to 30,242.51, 45,367.40 and 12,710.06 is: 19,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.51 : 45,367.40 = 12,710.06 : x
  2. Step 2: Convert to fraction form
    30,242.51/45,367.40 = 12,710.06/x
  3. Step 3: Cross multiply
    30,242.51x = 45,367.40 × 12,710.06
  4. Step 4: Simplify right side
    30,242.51x = 576,622,180.98
  5. Step 5: Solve for x
    x = 576,622,180.98/30,242.51
  6. Step 6: Final answer
    x = 19,066.61

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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.