Home / 30,804.83-42,511.28-17,373.45

Finding the Fourth Proportional to 30,804.83, 42,511.28 and 17,373.45

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Solution

The fourth proportional to 30,804.83, 42,511.28 and 17,373.45 is: 23,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,804.83 : 42,511.28 = 17,373.45 : x
  2. Step 2: Convert to fraction form
    30,804.83/42,511.28 = 17,373.45/x
  3. Step 3: Cross multiply
    30,804.83x = 42,511.28 × 17,373.45
  4. Step 4: Simplify right side
    30,804.83x = 738,567,597.52
  5. Step 5: Solve for x
    x = 738,567,597.52/30,804.83
  6. Step 6: Final answer
    x = 23,975.71

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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.