Home / 30,713.08-42,383.56-17,284.33

Finding the Fourth Proportional to 30,713.08, 42,383.56 and 17,284.33

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Solution

The fourth proportional to 30,713.08, 42,383.56 and 17,284.33 is: 23,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,713.08 : 42,383.56 = 17,284.33 : x
  2. Step 2: Convert to fraction form
    30,713.08/42,383.56 = 17,284.33/x
  3. Step 3: Cross multiply
    30,713.08x = 42,383.56 × 17,284.33
  4. Step 4: Simplify right side
    30,713.08x = 732,571,437.61
  5. Step 5: Solve for x
    x = 732,571,437.61/30,713.08
  6. Step 6: Final answer
    x = 23,852.10

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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.