Home / 30,419.55-45,598.28-20,559.83

Finding the Fourth Proportional to 30,419.55, 45,598.28 and 20,559.83

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Solution

The fourth proportional to 30,419.55, 45,598.28 and 20,559.83 is: 30,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,419.55 : 45,598.28 = 20,559.83 : x
  2. Step 2: Convert to fraction form
    30,419.55/45,598.28 = 20,559.83/x
  3. Step 3: Cross multiply
    30,419.55x = 45,598.28 × 20,559.83
  4. Step 4: Simplify right side
    30,419.55x = 937,492,554.30
  5. Step 5: Solve for x
    x = 937,492,554.30/30,419.55
  6. Step 6: Final answer
    x = 30,818.75

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1.5x scale

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.