Home / 57,700-79,626-31,204

Finding the Fourth Proportional to 57,700, 79,626 and 31,204

Calculator

Solution

The fourth proportional to 57,700, 79,626 and 31,204 is: 43,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,700 : 79,626 = 31,204 : x
  2. Step 2: Convert to fraction form
    57,700/79,626 = 31,204/x
  3. Step 3: Cross multiply
    57,700x = 79,626 × 31,204
  4. Step 4: Simplify right side
    57,700x = 2,484,649,704
  5. Step 5: Solve for x
    x = 2,484,649,704/57,700
  6. Step 6: Final answer
    x = 43,061.52

Related Problems

Find fourth proportional to 28,850, 39,813 and 15,602
Half scale
Find fourth proportional to 115,400, 159,252 and 62,408
Double scale
Find fourth proportional to 57,701, 79,627.38 and 31,205
Similar ratio
Find fourth proportional to 86,550, 119,439 and 46,806
1.5x scale

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.