Home / 49,248-73,872-12,312

Finding the Fourth Proportional to 49,248, 73,872 and 12,312

Calculator

Solution

The fourth proportional to 49,248, 73,872 and 12,312 is: 18,468

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,248 : 73,872 = 12,312 : x
  2. Step 2: Convert to fraction form
    49,248/73,872 = 12,312/x
  3. Step 3: Cross multiply
    49,248x = 73,872 × 12,312
  4. Step 4: Simplify right side
    49,248x = 909,512,064
  5. Step 5: Solve for x
    x = 909,512,064/49,248
  6. Step 6: Final answer
    x = 18,468

Related Problems

Find fourth proportional to 24,624, 36,936 and 6,156
Half scale
Find fourth proportional to 98,496, 147,744 and 24,624
Double scale
Find fourth proportional to 49,249, 73,873.50 and 12,313
Similar ratio
Find fourth proportional to 73,872, 110,808 and 18,468
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.