Home / 31,320.32-43,222.02-17,173.40

Finding the Fourth Proportional to 31,320.32, 43,222.02 and 17,173.40

Calculator

Solution

The fourth proportional to 31,320.32, 43,222.02 and 17,173.40 is: 23,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320.32 : 43,222.02 = 17,173.40 : x
  2. Step 2: Convert to fraction form
    31,320.32/43,222.02 = 17,173.40/x
  3. Step 3: Cross multiply
    31,320.32x = 43,222.02 × 17,173.40
  4. Step 4: Simplify right side
    31,320.32x = 742,269,038.27
  5. Step 5: Solve for x
    x = 742,269,038.27/31,320.32
  6. Step 6: Final answer
    x = 23,699.28

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.