Home / 30,636.12-45,932.72-15,647.80

Finding the Fourth Proportional to 30,636.12, 45,932.72 and 15,647.80

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Solution

The fourth proportional to 30,636.12, 45,932.72 and 15,647.80 is: 23,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,636.12 : 45,932.72 = 15,647.80 : x
  2. Step 2: Convert to fraction form
    30,636.12/45,932.72 = 15,647.80/x
  3. Step 3: Cross multiply
    30,636.12x = 45,932.72 × 15,647.80
  4. Step 4: Simplify right side
    30,636.12x = 718,746,016.02
  5. Step 5: Solve for x
    x = 718,746,016.02/30,636.12
  6. Step 6: Final answer
    x = 23,460.74

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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.