Home / 31,907.80-47,864.98-12,202.93

Finding the Fourth Proportional to 31,907.80, 47,864.98 and 12,202.93

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Solution

The fourth proportional to 31,907.80, 47,864.98 and 12,202.93 is: 18,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,907.80 : 47,864.98 = 12,202.93 : x
  2. Step 2: Convert to fraction form
    31,907.80/47,864.98 = 12,202.93/x
  3. Step 3: Cross multiply
    31,907.80x = 47,864.98 × 12,202.93
  4. Step 4: Simplify right side
    31,907.80x = 584,093,089.55
  5. Step 5: Solve for x
    x = 584,093,089.55/31,907.80
  6. Step 6: Final answer
    x = 18,305.65

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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.