Home / 75,059.56-112,580.97-18,899.65

Finding the Fourth Proportional to 75,059.56, 112,580.97 and 18,899.65

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Solution

The fourth proportional to 75,059.56, 112,580.97 and 18,899.65 is: 28,347.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,059.56 : 112,580.97 = 18,899.65 : x
  2. Step 2: Convert to fraction form
    75,059.56/112,580.97 = 18,899.65/x
  3. Step 3: Cross multiply
    75,059.56x = 112,580.97 × 18,899.65
  4. Step 4: Simplify right side
    75,059.56x = 2,127,740,929.66
  5. Step 5: Solve for x
    x = 2,127,740,929.66/75,059.56
  6. Step 6: Final answer
    x = 28,347.37

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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.