Home / 30,316.50-41,836.77-17,743.68

Finding the Fourth Proportional to 30,316.50, 41,836.77 and 17,743.68

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Solution

The fourth proportional to 30,316.50, 41,836.77 and 17,743.68 is: 24,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.50 : 41,836.77 = 17,743.68 : x
  2. Step 2: Convert to fraction form
    30,316.50/41,836.77 = 17,743.68/x
  3. Step 3: Cross multiply
    30,316.50x = 41,836.77 × 17,743.68
  4. Step 4: Simplify right side
    30,316.50x = 742,338,259.11
  5. Step 5: Solve for x
    x = 742,338,259.11/30,316.50
  6. Step 6: Final answer
    x = 24,486.28

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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.