Home / 30,246.41-45,378.84-15,465.70

Finding the Fourth Proportional to 30,246.41, 45,378.84 and 15,465.70

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Solution

The fourth proportional to 30,246.41, 45,378.84 and 15,465.70 is: 23,203.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.41 : 45,378.84 = 15,465.70 : x
  2. Step 2: Convert to fraction form
    30,246.41/45,378.84 = 15,465.70/x
  3. Step 3: Cross multiply
    30,246.41x = 45,378.84 × 15,465.70
  4. Step 4: Simplify right side
    30,246.41x = 701,815,525.79
  5. Step 5: Solve for x
    x = 701,815,525.79/30,246.41
  6. Step 6: Final answer
    x = 23,203.27

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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.