Home / 30,641.22-42,286.87-17,030.79

Finding the Fourth Proportional to 30,641.22, 42,286.87 and 17,030.79

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Solution

The fourth proportional to 30,641.22, 42,286.87 and 17,030.79 is: 23,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,641.22 : 42,286.87 = 17,030.79 : x
  2. Step 2: Convert to fraction form
    30,641.22/42,286.87 = 17,030.79/x
  3. Step 3: Cross multiply
    30,641.22x = 42,286.87 × 17,030.79
  4. Step 4: Simplify right side
    30,641.22x = 720,178,802.73
  5. Step 5: Solve for x
    x = 720,178,802.73/30,641.22
  6. Step 6: Final answer
    x = 23,503.59

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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.