Home / 58.77-88.20-50.31

Finding the Fourth Proportional to 58.77, 88.20 and 50.31

Calculator

Solution

The fourth proportional to 58.77, 88.20 and 50.31 is: 75.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.77 : 88.20 = 50.31 : x
  2. Step 2: Convert to fraction form
    58.77/88.20 = 50.31/x
  3. Step 3: Cross multiply
    58.77x = 88.20 × 50.31
  4. Step 4: Simplify right side
    58.77x = 4,437.34
  5. Step 5: Solve for x
    x = 4,437.34/58.77
  6. Step 6: Final answer
    x = 75.50

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.