Home / 30,066.08-45,055.99-16,890.74

Finding the Fourth Proportional to 30,066.08, 45,055.99 and 16,890.74

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Solution

The fourth proportional to 30,066.08, 45,055.99 and 16,890.74 is: 25,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,066.08 : 45,055.99 = 16,890.74 : x
  2. Step 2: Convert to fraction form
    30,066.08/45,055.99 = 16,890.74/x
  3. Step 3: Cross multiply
    30,066.08x = 45,055.99 × 16,890.74
  4. Step 4: Simplify right side
    30,066.08x = 761,028,702.80
  5. Step 5: Solve for x
    x = 761,028,702.80/30,066.08
  6. Step 6: Final answer
    x = 25,311.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.