Home / 26,054.16-39,040.26-20,145.48

Finding the Fourth Proportional to 26,054.16, 39,040.26 and 20,145.48

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Solution

The fourth proportional to 26,054.16, 39,040.26 and 20,145.48 is: 30,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,054.16 : 39,040.26 = 20,145.48 : x
  2. Step 2: Convert to fraction form
    26,054.16/39,040.26 = 20,145.48/x
  3. Step 3: Cross multiply
    26,054.16x = 39,040.26 × 20,145.48
  4. Step 4: Simplify right side
    26,054.16x = 786,484,777.02
  5. Step 5: Solve for x
    x = 786,484,777.02/26,054.16
  6. Step 6: Final answer
    x = 30,186.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.