Home / 31,271.04-46,906.08-12,555.84

Finding the Fourth Proportional to 31,271.04, 46,906.08 and 12,555.84

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Solution

The fourth proportional to 31,271.04, 46,906.08 and 12,555.84 is: 18,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,271.04 : 46,906.08 = 12,555.84 : x
  2. Step 2: Convert to fraction form
    31,271.04/46,906.08 = 12,555.84/x
  3. Step 3: Cross multiply
    31,271.04x = 46,906.08 × 12,555.84
  4. Step 4: Simplify right side
    31,271.04x = 588,945,235.51
  5. Step 5: Solve for x
    x = 588,945,235.51/31,271.04
  6. Step 6: Final answer
    x = 18,833.57

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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.