Home / 31,116.10-46,655.37-12,399.03

Finding the Fourth Proportional to 31,116.10, 46,655.37 and 12,399.03

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Solution

The fourth proportional to 31,116.10, 46,655.37 and 12,399.03 is: 18,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,116.10 : 46,655.37 = 12,399.03 : x
  2. Step 2: Convert to fraction form
    31,116.10/46,655.37 = 12,399.03/x
  3. Step 3: Cross multiply
    31,116.10x = 46,655.37 × 12,399.03
  4. Step 4: Simplify right side
    31,116.10x = 578,481,332.29
  5. Step 5: Solve for x
    x = 578,481,332.29/31,116.10
  6. Step 6: Final answer
    x = 18,591.06

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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.