Home / 32,913.68-45,419.72-18,771.04

Finding the Fourth Proportional to 32,913.68, 45,419.72 and 18,771.04

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Solution

The fourth proportional to 32,913.68, 45,419.72 and 18,771.04 is: 25,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,913.68 : 45,419.72 = 18,771.04 : x
  2. Step 2: Convert to fraction form
    32,913.68/45,419.72 = 18,771.04/x
  3. Step 3: Cross multiply
    32,913.68x = 45,419.72 × 18,771.04
  4. Step 4: Simplify right side
    32,913.68x = 852,575,380.91
  5. Step 5: Solve for x
    x = 852,575,380.91/32,913.68
  6. Step 6: Final answer
    x = 25,903.37

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1.5x scale

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.