Home / 45,421.34-68,107.28-15,831.23

Finding the Fourth Proportional to 45,421.34, 68,107.28 and 15,831.23

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Solution

The fourth proportional to 45,421.34, 68,107.28 and 15,831.23 is: 23,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,421.34 : 68,107.28 = 15,831.23 : x
  2. Step 2: Convert to fraction form
    45,421.34/68,107.28 = 15,831.23/x
  3. Step 3: Cross multiply
    45,421.34x = 68,107.28 × 15,831.23
  4. Step 4: Simplify right side
    45,421.34x = 1,078,221,594.66
  5. Step 5: Solve for x
    x = 1,078,221,594.66/45,421.34
  6. Step 6: Final answer
    x = 23,738.22

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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.