Home / 30,699.66-46,044.91-8,510.72

Finding the Fourth Proportional to 30,699.66, 46,044.91 and 8,510.72

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Solution

The fourth proportional to 30,699.66, 46,044.91 and 8,510.72 is: 12,764.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,699.66 : 46,044.91 = 8,510.72 : x
  2. Step 2: Convert to fraction form
    30,699.66/46,044.91 = 8,510.72/x
  3. Step 3: Cross multiply
    30,699.66x = 46,044.91 × 8,510.72
  4. Step 4: Simplify right side
    30,699.66x = 391,875,336.44
  5. Step 5: Solve for x
    x = 391,875,336.44/30,699.66
  6. Step 6: Final answer
    x = 12,764.81

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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.