Home / 31,297.63-46,883.91-18,810.90

Finding the Fourth Proportional to 31,297.63, 46,883.91 and 18,810.90

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Solution

The fourth proportional to 31,297.63, 46,883.91 and 18,810.90 is: 28,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.63 : 46,883.91 = 18,810.90 : x
  2. Step 2: Convert to fraction form
    31,297.63/46,883.91 = 18,810.90/x
  3. Step 3: Cross multiply
    31,297.63x = 46,883.91 × 18,810.90
  4. Step 4: Simplify right side
    31,297.63x = 881,928,542.62
  5. Step 5: Solve for x
    x = 881,928,542.62/31,297.63
  6. Step 6: Final answer
    x = 28,178.76

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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.