Home / 30,831.75-46,247.63-10,055.25

Finding the Fourth Proportional to 30,831.75, 46,247.63 and 10,055.25

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Solution

The fourth proportional to 30,831.75, 46,247.63 and 10,055.25 is: 15,082.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,831.75 : 46,247.63 = 10,055.25 : x
  2. Step 2: Convert to fraction form
    30,831.75/46,247.63 = 10,055.25/x
  3. Step 3: Cross multiply
    30,831.75x = 46,247.63 × 10,055.25
  4. Step 4: Simplify right side
    30,831.75x = 465,031,431.28
  5. Step 5: Solve for x
    x = 465,031,431.28/30,831.75
  6. Step 6: Final answer
    x = 15,082.88

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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.