Home / 87,656-131,484-29,288

Finding the Fourth Proportional to 87,656, 131,484 and 29,288

Calculator

Solution

The fourth proportional to 87,656, 131,484 and 29,288 is: 43,932

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,656 : 131,484 = 29,288 : x
  2. Step 2: Convert to fraction form
    87,656/131,484 = 29,288/x
  3. Step 3: Cross multiply
    87,656x = 131,484 × 29,288
  4. Step 4: Simplify right side
    87,656x = 3,850,903,392
  5. Step 5: Solve for x
    x = 3,850,903,392/87,656
  6. Step 6: Final answer
    x = 43,932

Related Problems

Find fourth proportional to 43,828, 65,742 and 14,644
Half scale
Find fourth proportional to 175,312, 262,968 and 58,576
Double scale
Find fourth proportional to 87,657, 131,485.50 and 29,289
Similar ratio
Find fourth proportional to 131,484, 197,226 and 43,932
1.5x scale

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.