Home / 30,521.25-45,782.16-10,803.15

Finding the Fourth Proportional to 30,521.25, 45,782.16 and 10,803.15

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Solution

The fourth proportional to 30,521.25, 45,782.16 and 10,803.15 is: 16,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521.25 : 45,782.16 = 10,803.15 : x
  2. Step 2: Convert to fraction form
    30,521.25/45,782.16 = 10,803.15/x
  3. Step 3: Cross multiply
    30,521.25x = 45,782.16 × 10,803.15
  4. Step 4: Simplify right side
    30,521.25x = 494,591,541.80
  5. Step 5: Solve for x
    x = 494,591,541.80/30,521.25
  6. Step 6: Final answer
    x = 16,204.83

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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.