Home / 30,246.15-45,378.46-15,465.45

Finding the Fourth Proportional to 30,246.15, 45,378.46 and 15,465.45

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Solution

The fourth proportional to 30,246.15, 45,378.46 and 15,465.45 is: 23,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.15 : 45,378.46 = 15,465.45 : x
  2. Step 2: Convert to fraction form
    30,246.15/45,378.46 = 15,465.45/x
  3. Step 3: Cross multiply
    30,246.15x = 45,378.46 × 15,465.45
  4. Step 4: Simplify right side
    30,246.15x = 701,798,493.71
  5. Step 5: Solve for x
    x = 701,798,493.71/30,246.15
  6. Step 6: Final answer
    x = 23,202.90

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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.