Home / 60,090.42-90,128.73-15,721.47

Finding the Fourth Proportional to 60,090.42, 90,128.73 and 15,721.47

Calculator

Solution

The fourth proportional to 60,090.42, 90,128.73 and 15,721.47 is: 23,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,090.42 : 90,128.73 = 15,721.47 : x
  2. Step 2: Convert to fraction form
    60,090.42/90,128.73 = 15,721.47/x
  3. Step 3: Cross multiply
    60,090.42x = 90,128.73 × 15,721.47
  4. Step 4: Simplify right side
    60,090.42x = 1,416,956,124.83
  5. Step 5: Solve for x
    x = 1,416,956,124.83/60,090.42
  6. Step 6: Final answer
    x = 23,580.40

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.