Home / 31,109.63-46,671.60-9,761.16

Finding the Fourth Proportional to 31,109.63, 46,671.60 and 9,761.16

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Solution

The fourth proportional to 31,109.63, 46,671.60 and 9,761.16 is: 14,643.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109.63 : 46,671.60 = 9,761.16 : x
  2. Step 2: Convert to fraction form
    31,109.63/46,671.60 = 9,761.16/x
  3. Step 3: Cross multiply
    31,109.63x = 46,671.60 × 9,761.16
  4. Step 4: Simplify right side
    31,109.63x = 455,568,955.06
  5. Step 5: Solve for x
    x = 455,568,955.06/31,109.63
  6. Step 6: Final answer
    x = 14,643.99

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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.