Home / 60,519.40-90,779.74-18,406.34

Finding the Fourth Proportional to 60,519.40, 90,779.74 and 18,406.34

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Solution

The fourth proportional to 60,519.40, 90,779.74 and 18,406.34 is: 27,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,519.40 : 90,779.74 = 18,406.34 : x
  2. Step 2: Convert to fraction form
    60,519.40/90,779.74 = 18,406.34/x
  3. Step 3: Cross multiply
    60,519.40x = 90,779.74 × 18,406.34
  4. Step 4: Simplify right side
    60,519.40x = 1,670,922,759.55
  5. Step 5: Solve for x
    x = 1,670,922,759.55/60,519.40
  6. Step 6: Final answer
    x = 27,609.70

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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.