Home / 31,125.39-46,688.06-11,405.49

Finding the Fourth Proportional to 31,125.39, 46,688.06 and 11,405.49

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Solution

The fourth proportional to 31,125.39, 46,688.06 and 11,405.49 is: 17,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,125.39 : 46,688.06 = 11,405.49 : x
  2. Step 2: Convert to fraction form
    31,125.39/46,688.06 = 11,405.49/x
  3. Step 3: Cross multiply
    31,125.39x = 46,688.06 × 11,405.49
  4. Step 4: Simplify right side
    31,125.39x = 532,500,201.45
  5. Step 5: Solve for x
    x = 532,500,201.45/31,125.39
  6. Step 6: Final answer
    x = 17,108.23

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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.