Home / 30,038.96-41,452.40-17,291.60

Finding the Fourth Proportional to 30,038.96, 41,452.40 and 17,291.60

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Solution

The fourth proportional to 30,038.96, 41,452.40 and 17,291.60 is: 23,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,038.96 : 41,452.40 = 17,291.60 : x
  2. Step 2: Convert to fraction form
    30,038.96/41,452.40 = 17,291.60/x
  3. Step 3: Cross multiply
    30,038.96x = 41,452.40 × 17,291.60
  4. Step 4: Simplify right side
    30,038.96x = 716,778,319.84
  5. Step 5: Solve for x
    x = 716,778,319.84/30,038.96
  6. Step 6: Final answer
    x = 23,861.62

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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.