Home / 68,100-93,978-38,292

Finding the Fourth Proportional to 68,100, 93,978 and 38,292

Calculator

Solution

The fourth proportional to 68,100, 93,978 and 38,292 is: 52,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,100 : 93,978 = 38,292 : x
  2. Step 2: Convert to fraction form
    68,100/93,978 = 38,292/x
  3. Step 3: Cross multiply
    68,100x = 93,978 × 38,292
  4. Step 4: Simplify right side
    68,100x = 3,598,605,576
  5. Step 5: Solve for x
    x = 3,598,605,576/68,100
  6. Step 6: Final answer
    x = 52,842.96

Related Problems

Find fourth proportional to 34,050, 46,989 and 19,146
Half scale
Find fourth proportional to 136,200, 187,956 and 76,584
Double scale
Find fourth proportional to 68,101, 93,979.38 and 38,293
Similar ratio
Find fourth proportional to 102,150, 140,967 and 57,438
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.