Home / 53.01-79.80-47.34

Finding the Fourth Proportional to 53.01, 79.80 and 47.34

Calculator

Solution

The fourth proportional to 53.01, 79.80 and 47.34 is: 71.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.01 : 79.80 = 47.34 : x
  2. Step 2: Convert to fraction form
    53.01/79.80 = 47.34/x
  3. Step 3: Cross multiply
    53.01x = 79.80 × 47.34
  4. Step 4: Simplify right side
    53.01x = 3,777.73
  5. Step 5: Solve for x
    x = 3,777.73/53.01
  6. Step 6: Final answer
    x = 71.26

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.