Home / 60,519.15-90,779.37-18,406.08

Finding the Fourth Proportional to 60,519.15, 90,779.37 and 18,406.08

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Solution

The fourth proportional to 60,519.15, 90,779.37 and 18,406.08 is: 27,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,519.15 : 90,779.37 = 18,406.08 : x
  2. Step 2: Convert to fraction form
    60,519.15/90,779.37 = 18,406.08/x
  3. Step 3: Cross multiply
    60,519.15x = 90,779.37 × 18,406.08
  4. Step 4: Simplify right side
    60,519.15x = 1,670,892,346.57
  5. Step 5: Solve for x
    x = 1,670,892,346.57/60,519.15
  6. Step 6: Final answer
    x = 27,609.32

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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.