Home / 30,030.20-45,023.70-16,886.60

Finding the Fourth Proportional to 30,030.20, 45,023.70 and 16,886.60

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Solution

The fourth proportional to 30,030.20, 45,023.70 and 16,886.60 is: 25,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030.20 : 45,023.70 = 16,886.60 : x
  2. Step 2: Convert to fraction form
    30,030.20/45,023.70 = 16,886.60/x
  3. Step 3: Cross multiply
    30,030.20x = 45,023.70 × 16,886.60
  4. Step 4: Simplify right side
    30,030.20x = 760,297,212.42
  5. Step 5: Solve for x
    x = 760,297,212.42/30,030.20
  6. Step 6: Final answer
    x = 25,317.75

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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.