Home / 30,454.77-42,025.85-16,842.01

Finding the Fourth Proportional to 30,454.77, 42,025.85 and 16,842.01

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Solution

The fourth proportional to 30,454.77, 42,025.85 and 16,842.01 is: 23,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454.77 : 42,025.85 = 16,842.01 : x
  2. Step 2: Convert to fraction form
    30,454.77/42,025.85 = 16,842.01/x
  3. Step 3: Cross multiply
    30,454.77x = 42,025.85 × 16,842.01
  4. Step 4: Simplify right side
    30,454.77x = 707,799,785.96
  5. Step 5: Solve for x
    x = 707,799,785.96/30,454.77
  6. Step 6: Final answer
    x = 23,241.02

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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.