Home / 30,459.08-42,034.52-16,847.32

Finding the Fourth Proportional to 30,459.08, 42,034.52 and 16,847.32

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Solution

The fourth proportional to 30,459.08, 42,034.52 and 16,847.32 is: 23,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,459.08 : 42,034.52 = 16,847.32 : x
  2. Step 2: Convert to fraction form
    30,459.08/42,034.52 = 16,847.32/x
  3. Step 3: Cross multiply
    30,459.08x = 42,034.52 × 16,847.32
  4. Step 4: Simplify right side
    30,459.08x = 708,169,009.49
  5. Step 5: Solve for x
    x = 708,169,009.49/30,459.08
  6. Step 6: Final answer
    x = 23,249.85

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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.