Home / 64,640.40-89,203.80-36,346.08

Finding the Fourth Proportional to 64,640.40, 89,203.80 and 36,346.08

Calculator

Solution

The fourth proportional to 64,640.40, 89,203.80 and 36,346.08 is: 50,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,640.40 : 89,203.80 = 36,346.08 : x
  2. Step 2: Convert to fraction form
    64,640.40/89,203.80 = 36,346.08/x
  3. Step 3: Cross multiply
    64,640.40x = 89,203.80 × 36,346.08
  4. Step 4: Simplify right side
    64,640.40x = 3,242,208,451.10
  5. Step 5: Solve for x
    x = 3,242,208,451.10/64,640.40
  6. Step 6: Final answer
    x = 50,157.62

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.