Home / 42,129.64-63,233.34-21,367.72

Finding the Fourth Proportional to 42,129.64, 63,233.34 and 21,367.72

Calculator

Solution

The fourth proportional to 42,129.64, 63,233.34 and 21,367.72 is: 32,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,129.64 : 63,233.34 = 21,367.72 : x
  2. Step 2: Convert to fraction form
    42,129.64/63,233.34 = 21,367.72/x
  3. Step 3: Cross multiply
    42,129.64x = 63,233.34 × 21,367.72
  4. Step 4: Simplify right side
    42,129.64x = 1,351,152,303.78
  5. Step 5: Solve for x
    x = 1,351,152,303.78/42,129.64
  6. Step 6: Final answer
    x = 32,071.30

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.