Home / 30,145.26-41,602.59-16,717.80

Finding the Fourth Proportional to 30,145.26, 41,602.59 and 16,717.80

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Solution

The fourth proportional to 30,145.26, 41,602.59 and 16,717.80 is: 23,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.26 : 41,602.59 = 16,717.80 : x
  2. Step 2: Convert to fraction form
    30,145.26/41,602.59 = 16,717.80/x
  3. Step 3: Cross multiply
    30,145.26x = 41,602.59 × 16,717.80
  4. Step 4: Simplify right side
    30,145.26x = 695,503,779.10
  5. Step 5: Solve for x
    x = 695,503,779.10/30,145.26
  6. Step 6: Final answer
    x = 23,071.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.