Home / 71,870.56-107,840-32,439.84

Finding the Fourth Proportional to 71,870.56, 107,840 and 32,439.84

Calculator

Solution

The fourth proportional to 71,870.56, 107,840 and 32,439.84 is: 48,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,870.56 : 107,840 = 32,439.84 : x
  2. Step 2: Convert to fraction form
    71,870.56/107,840 = 32,439.84/x
  3. Step 3: Cross multiply
    71,870.56x = 107,840 × 32,439.84
  4. Step 4: Simplify right side
    71,870.56x = 3,498,312,345.60
  5. Step 5: Solve for x
    x = 3,498,312,345.60/71,870.56
  6. Step 6: Final answer
    x = 48,675.18

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.