Home / 51,533.02-71,121.30-28,875.70

Finding the Fourth Proportional to 51,533.02, 71,121.30 and 28,875.70

Calculator

Solution

The fourth proportional to 51,533.02, 71,121.30 and 28,875.70 is: 39,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,533.02 : 71,121.30 = 28,875.70 : x
  2. Step 2: Convert to fraction form
    51,533.02/71,121.30 = 28,875.70/x
  3. Step 3: Cross multiply
    51,533.02x = 71,121.30 × 28,875.70
  4. Step 4: Simplify right side
    51,533.02x = 2,053,677,322.41
  5. Step 5: Solve for x
    x = 2,053,677,322.41/51,533.02
  6. Step 6: Final answer
    x = 39,851.68

Related Problems

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.