Home / 30,444.26-42,012.98-17,015.50

Finding the Fourth Proportional to 30,444.26, 42,012.98 and 17,015.50

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Solution

The fourth proportional to 30,444.26, 42,012.98 and 17,015.50 is: 23,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.26 : 42,012.98 = 17,015.50 : x
  2. Step 2: Convert to fraction form
    30,444.26/42,012.98 = 17,015.50/x
  3. Step 3: Cross multiply
    30,444.26x = 42,012.98 × 17,015.50
  4. Step 4: Simplify right side
    30,444.26x = 714,871,861.19
  5. Step 5: Solve for x
    x = 714,871,861.19/30,444.26
  6. Step 6: Final answer
    x = 23,481.33

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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.