Home / 30,513.20-42,106.21-17,084.33

Finding the Fourth Proportional to 30,513.20, 42,106.21 and 17,084.33

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Solution

The fourth proportional to 30,513.20, 42,106.21 and 17,084.33 is: 23,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,513.20 : 42,106.21 = 17,084.33 : x
  2. Step 2: Convert to fraction form
    30,513.20/42,106.21 = 17,084.33/x
  3. Step 3: Cross multiply
    30,513.20x = 42,106.21 × 17,084.33
  4. Step 4: Simplify right side
    30,513.20x = 719,356,090.74
  5. Step 5: Solve for x
    x = 719,356,090.74/30,513.20
  6. Step 6: Final answer
    x = 23,575.25

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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.