Home / 30,243.72-41,726.70-18,303.24

Finding the Fourth Proportional to 30,243.72, 41,726.70 and 18,303.24

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Solution

The fourth proportional to 30,243.72, 41,726.70 and 18,303.24 is: 25,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.72 : 41,726.70 = 18,303.24 : x
  2. Step 2: Convert to fraction form
    30,243.72/41,726.70 = 18,303.24/x
  3. Step 3: Cross multiply
    30,243.72x = 41,726.70 × 18,303.24
  4. Step 4: Simplify right side
    30,243.72x = 763,733,804.51
  5. Step 5: Solve for x
    x = 763,733,804.51/30,243.72
  6. Step 6: Final answer
    x = 25,252.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.