Home / 82,043.60-123,065.40-19,714.10

Finding the Fourth Proportional to 82,043.60, 123,065.40 and 19,714.10

Calculator

Solution

The fourth proportional to 82,043.60, 123,065.40 and 19,714.10 is: 29,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,043.60 : 123,065.40 = 19,714.10 : x
  2. Step 2: Convert to fraction form
    82,043.60/123,065.40 = 19,714.10/x
  3. Step 3: Cross multiply
    82,043.60x = 123,065.40 × 19,714.10
  4. Step 4: Simplify right side
    82,043.60x = 2,426,123,602.14
  5. Step 5: Solve for x
    x = 2,426,123,602.14/82,043.60
  6. Step 6: Final answer
    x = 29,571.15

Related Problems

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.