Home / 30,242.24-45,364.37-10,520.99

Finding the Fourth Proportional to 30,242.24, 45,364.37 and 10,520.99

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Solution

The fourth proportional to 30,242.24, 45,364.37 and 10,520.99 is: 15,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.24 : 45,364.37 = 10,520.99 : x
  2. Step 2: Convert to fraction form
    30,242.24/45,364.37 = 10,520.99/x
  3. Step 3: Cross multiply
    30,242.24x = 45,364.37 × 10,520.99
  4. Step 4: Simplify right side
    30,242.24x = 477,277,803.70
  5. Step 5: Solve for x
    x = 477,277,803.70/30,242.24
  6. Step 6: Final answer
    x = 15,781.83

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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.