Home / 30,124.31-45,181.29-7,937.87

Finding the Fourth Proportional to 30,124.31, 45,181.29 and 7,937.87

Calculator

Solution

The fourth proportional to 30,124.31, 45,181.29 and 7,937.87 is: 11,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.31 : 45,181.29 = 7,937.87 : x
  2. Step 2: Convert to fraction form
    30,124.31/45,181.29 = 7,937.87/x
  3. Step 3: Cross multiply
    30,124.31x = 45,181.29 × 7,937.87
  4. Step 4: Simplify right side
    30,124.31x = 358,643,010.31
  5. Step 5: Solve for x
    x = 358,643,010.31/30,124.31
  6. Step 6: Final answer
    x = 11,905.44

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.