Home / 55,909.56-77,156.64-30,417.51

Finding the Fourth Proportional to 55,909.56, 77,156.64 and 30,417.51

Calculator

Solution

The fourth proportional to 55,909.56, 77,156.64 and 30,417.51 is: 41,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,909.56 : 77,156.64 = 30,417.51 : x
  2. Step 2: Convert to fraction form
    55,909.56/77,156.64 = 30,417.51/x
  3. Step 3: Cross multiply
    55,909.56x = 77,156.64 × 30,417.51
  4. Step 4: Simplify right side
    55,909.56x = 2,346,912,868.77
  5. Step 5: Solve for x
    x = 2,346,912,868.77/55,909.56
  6. Step 6: Final answer
    x = 41,976.95

Related Problems

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.