Home / 30,831.40-46,247.10-29,621.80

Finding the Fourth Proportional to 30,831.40, 46,247.10 and 29,621.80

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Solution

The fourth proportional to 30,831.40, 46,247.10 and 29,621.80 is: 44,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,831.40 : 46,247.10 = 29,621.80 : x
  2. Step 2: Convert to fraction form
    30,831.40/46,247.10 = 29,621.80/x
  3. Step 3: Cross multiply
    30,831.40x = 46,247.10 × 29,621.80
  4. Step 4: Simplify right side
    30,831.40x = 1,369,922,346.78
  5. Step 5: Solve for x
    x = 1,369,922,346.78/30,831.40
  6. Step 6: Final answer
    x = 44,432.70

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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.