Home / 31,248.27-46,870.92-18,771.84

Finding the Fourth Proportional to 31,248.27, 46,870.92 and 18,771.84

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Solution

The fourth proportional to 31,248.27, 46,870.92 and 18,771.84 is: 28,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248.27 : 46,870.92 = 18,771.84 : x
  2. Step 2: Convert to fraction form
    31,248.27/46,870.92 = 18,771.84/x
  3. Step 3: Cross multiply
    31,248.27x = 46,870.92 × 18,771.84
  4. Step 4: Simplify right side
    31,248.27x = 879,853,410.89
  5. Step 5: Solve for x
    x = 879,853,410.89/31,248.27
  6. Step 6: Final answer
    x = 28,156.87

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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.