Home / 30,708.56-46,062.85-8,521.95

Finding the Fourth Proportional to 30,708.56, 46,062.85 and 8,521.95

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Solution

The fourth proportional to 30,708.56, 46,062.85 and 8,521.95 is: 12,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,708.56 : 46,062.85 = 8,521.95 : x
  2. Step 2: Convert to fraction form
    30,708.56/46,062.85 = 8,521.95/x
  3. Step 3: Cross multiply
    30,708.56x = 46,062.85 × 8,521.95
  4. Step 4: Simplify right side
    30,708.56x = 392,545,487.95
  5. Step 5: Solve for x
    x = 392,545,487.95/30,708.56
  6. Step 6: Final answer
    x = 12,782.94

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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.