Home / 30,768.04-42,461.14-17,339.86

Finding the Fourth Proportional to 30,768.04, 42,461.14 and 17,339.86

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Solution

The fourth proportional to 30,768.04, 42,461.14 and 17,339.86 is: 23,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,768.04 : 42,461.14 = 17,339.86 : x
  2. Step 2: Convert to fraction form
    30,768.04/42,461.14 = 17,339.86/x
  3. Step 3: Cross multiply
    30,768.04x = 42,461.14 × 17,339.86
  4. Step 4: Simplify right side
    30,768.04x = 736,270,010.73
  5. Step 5: Solve for x
    x = 736,270,010.73/30,768.04
  6. Step 6: Final answer
    x = 23,929.71

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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.