Home / 30,002.88-41,406.45-17,260.20

Finding the Fourth Proportional to 30,002.88, 41,406.45 and 17,260.20

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Solution

The fourth proportional to 30,002.88, 41,406.45 and 17,260.20 is: 23,820.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,002.88 : 41,406.45 = 17,260.20 : x
  2. Step 2: Convert to fraction form
    30,002.88/41,406.45 = 17,260.20/x
  3. Step 3: Cross multiply
    30,002.88x = 41,406.45 × 17,260.20
  4. Step 4: Simplify right side
    30,002.88x = 714,683,608.29
  5. Step 5: Solve for x
    x = 714,683,608.29/30,002.88
  6. Step 6: Final answer
    x = 23,820.50

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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.