Home / 30,187.95-41,659.53-18,864.03

Finding the Fourth Proportional to 30,187.95, 41,659.53 and 18,864.03

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Solution

The fourth proportional to 30,187.95, 41,659.53 and 18,864.03 is: 26,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.95 : 41,659.53 = 18,864.03 : x
  2. Step 2: Convert to fraction form
    30,187.95/41,659.53 = 18,864.03/x
  3. Step 3: Cross multiply
    30,187.95x = 41,659.53 × 18,864.03
  4. Step 4: Simplify right side
    30,187.95x = 785,866,529.39
  5. Step 5: Solve for x
    x = 785,866,529.39/30,187.95
  6. Step 6: Final answer
    x = 26,032.46

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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.