Home / 57,533.86-79,421.30-38,681.92

Finding the Fourth Proportional to 57,533.86, 79,421.30 and 38,681.92

Calculator

Solution

The fourth proportional to 57,533.86, 79,421.30 and 38,681.92 is: 53,397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,533.86 : 79,421.30 = 38,681.92 : x
  2. Step 2: Convert to fraction form
    57,533.86/79,421.30 = 38,681.92/x
  3. Step 3: Cross multiply
    57,533.86x = 79,421.30 × 38,681.92
  4. Step 4: Simplify right side
    57,533.86x = 3,072,168,372.90
  5. Step 5: Solve for x
    x = 3,072,168,372.90/57,533.86
  6. Step 6: Final answer
    x = 53,397.57

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.