Home / 30,326.92-45,490.50-10,605.52

Finding the Fourth Proportional to 30,326.92, 45,490.50 and 10,605.52

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Solution

The fourth proportional to 30,326.92, 45,490.50 and 10,605.52 is: 15,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,326.92 : 45,490.50 = 10,605.52 : x
  2. Step 2: Convert to fraction form
    30,326.92/45,490.50 = 10,605.52/x
  3. Step 3: Cross multiply
    30,326.92x = 45,490.50 × 10,605.52
  4. Step 4: Simplify right side
    30,326.92x = 482,450,407.56
  5. Step 5: Solve for x
    x = 482,450,407.56/30,326.92
  6. Step 6: Final answer
    x = 15,908.32

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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.