Home / 31,586.36-43,588.50-18,157.26

Finding the Fourth Proportional to 31,586.36, 43,588.50 and 18,157.26

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Solution

The fourth proportional to 31,586.36, 43,588.50 and 18,157.26 is: 25,056.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.36 : 43,588.50 = 18,157.26 : x
  2. Step 2: Convert to fraction form
    31,586.36/43,588.50 = 18,157.26/x
  3. Step 3: Cross multiply
    31,586.36x = 43,588.50 × 18,157.26
  4. Step 4: Simplify right side
    31,586.36x = 791,447,727.51
  5. Step 5: Solve for x
    x = 791,447,727.51/31,586.36
  6. Step 6: Final answer
    x = 25,056.63

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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.