Home / 77,058.36-115,577.06-20,902.08

Finding the Fourth Proportional to 77,058.36, 115,577.06 and 20,902.08

Calculator

Solution

The fourth proportional to 77,058.36, 115,577.06 and 20,902.08 is: 31,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,058.36 : 115,577.06 = 20,902.08 : x
  2. Step 2: Convert to fraction form
    77,058.36/115,577.06 = 20,902.08/x
  3. Step 3: Cross multiply
    77,058.36x = 115,577.06 × 20,902.08
  4. Step 4: Simplify right side
    77,058.36x = 2,415,800,954.28
  5. Step 5: Solve for x
    x = 2,415,800,954.28/77,058.36
  6. Step 6: Final answer
    x = 31,350.28

Related Problems

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.