Home / 61,071.08-91,619.68-18,950.24

Finding the Fourth Proportional to 61,071.08, 91,619.68 and 18,950.24

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Solution

The fourth proportional to 61,071.08, 91,619.68 and 18,950.24 is: 28,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,071.08 : 91,619.68 = 18,950.24 : x
  2. Step 2: Convert to fraction form
    61,071.08/91,619.68 = 18,950.24/x
  3. Step 3: Cross multiply
    61,071.08x = 91,619.68 × 18,950.24
  4. Step 4: Simplify right side
    61,071.08x = 1,736,214,924.72
  5. Step 5: Solve for x
    x = 1,736,214,924.72/61,071.08
  6. Step 6: Final answer
    x = 28,429.41

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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.