Home / 30,460.12-42,035.88-16,848.34

Finding the Fourth Proportional to 30,460.12, 42,035.88 and 16,848.34

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Solution

The fourth proportional to 30,460.12, 42,035.88 and 16,848.34 is: 23,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,460.12 : 42,035.88 = 16,848.34 : x
  2. Step 2: Convert to fraction form
    30,460.12/42,035.88 = 16,848.34/x
  3. Step 3: Cross multiply
    30,460.12x = 42,035.88 × 16,848.34
  4. Step 4: Simplify right side
    30,460.12x = 708,234,798.44
  5. Step 5: Solve for x
    x = 708,234,798.44/30,460.12
  6. Step 6: Final answer
    x = 23,251.21

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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.