Home / 30,117.56-41,581.71-19,367.25

Finding the Fourth Proportional to 30,117.56, 41,581.71 and 19,367.25

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Solution

The fourth proportional to 30,117.56, 41,581.71 and 19,367.25 is: 26,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.56 : 41,581.71 = 19,367.25 : x
  2. Step 2: Convert to fraction form
    30,117.56/41,581.71 = 19,367.25/x
  3. Step 3: Cross multiply
    30,117.56x = 41,581.71 × 19,367.25
  4. Step 4: Simplify right side
    30,117.56x = 805,323,373.00
  5. Step 5: Solve for x
    x = 805,323,373.00/30,117.56
  6. Step 6: Final answer
    x = 26,739.33

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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.