Home / 31,705.48-43,726.26-19,756.36

Finding the Fourth Proportional to 31,705.48, 43,726.26 and 19,756.36

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Solution

The fourth proportional to 31,705.48, 43,726.26 and 19,756.36 is: 27,246.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705.48 : 43,726.26 = 19,756.36 : x
  2. Step 2: Convert to fraction form
    31,705.48/43,726.26 = 19,756.36/x
  3. Step 3: Cross multiply
    31,705.48x = 43,726.26 × 19,756.36
  4. Step 4: Simplify right side
    31,705.48x = 863,871,734.01
  5. Step 5: Solve for x
    x = 863,871,734.01/31,705.48
  6. Step 6: Final answer
    x = 27,246.76

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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.