Home / 30,785.90-42,483.69-17,357.03

Finding the Fourth Proportional to 30,785.90, 42,483.69 and 17,357.03

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Solution

The fourth proportional to 30,785.90, 42,483.69 and 17,357.03 is: 23,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,785.90 : 42,483.69 = 17,357.03 : x
  2. Step 2: Convert to fraction form
    30,785.90/42,483.69 = 17,357.03/x
  3. Step 3: Cross multiply
    30,785.90x = 42,483.69 × 17,357.03
  4. Step 4: Simplify right side
    30,785.90x = 737,390,867.71
  5. Step 5: Solve for x
    x = 737,390,867.71/30,785.90
  6. Step 6: Final answer
    x = 23,952.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.