Home / 30,974.02-46,462.80-8,785.65

Finding the Fourth Proportional to 30,974.02, 46,462.80 and 8,785.65

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Solution

The fourth proportional to 30,974.02, 46,462.80 and 8,785.65 is: 13,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,974.02 : 46,462.80 = 8,785.65 : x
  2. Step 2: Convert to fraction form
    30,974.02/46,462.80 = 8,785.65/x
  3. Step 3: Cross multiply
    30,974.02x = 46,462.80 × 8,785.65
  4. Step 4: Simplify right side
    30,974.02x = 408,205,972.71
  5. Step 5: Solve for x
    x = 408,205,972.71/30,974.02
  6. Step 6: Final answer
    x = 13,178.98

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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.