Home / 30,432.78-41,993.05-17,002.36

Finding the Fourth Proportional to 30,432.78, 41,993.05 and 17,002.36

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Solution

The fourth proportional to 30,432.78, 41,993.05 and 17,002.36 is: 23,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432.78 : 41,993.05 = 17,002.36 : x
  2. Step 2: Convert to fraction form
    30,432.78/41,993.05 = 17,002.36/x
  3. Step 3: Cross multiply
    30,432.78x = 41,993.05 × 17,002.36
  4. Step 4: Simplify right side
    30,432.78x = 713,980,953.60
  5. Step 5: Solve for x
    x = 713,980,953.60/30,432.78
  6. Step 6: Final answer
    x = 23,460.92

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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.