Home / 30,368.34-41,907.12-17,620.86

Finding the Fourth Proportional to 30,368.34, 41,907.12 and 17,620.86

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Solution

The fourth proportional to 30,368.34, 41,907.12 and 17,620.86 is: 24,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,368.34 : 41,907.12 = 17,620.86 : x
  2. Step 2: Convert to fraction form
    30,368.34/41,907.12 = 17,620.86/x
  3. Step 3: Cross multiply
    30,368.34x = 41,907.12 × 17,620.86
  4. Step 4: Simplify right side
    30,368.34x = 738,439,494.52
  5. Step 5: Solve for x
    x = 738,439,494.52/30,368.34
  6. Step 6: Final answer
    x = 24,316.10

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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.