Home / 31,309.40-46,948.74-15,496.16

Finding the Fourth Proportional to 31,309.40, 46,948.74 and 15,496.16

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Solution

The fourth proportional to 31,309.40, 46,948.74 and 15,496.16 is: 23,236.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,309.40 : 46,948.74 = 15,496.16 : x
  2. Step 2: Convert to fraction form
    31,309.40/46,948.74 = 15,496.16/x
  3. Step 3: Cross multiply
    31,309.40x = 46,948.74 × 15,496.16
  4. Step 4: Simplify right side
    31,309.40x = 727,525,186.84
  5. Step 5: Solve for x
    x = 727,525,186.84/31,309.40
  6. Step 6: Final answer
    x = 23,236.64

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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.