Home / 49,358.40-74,037.60-46,831.20

Finding the Fourth Proportional to 49,358.40, 74,037.60 and 46,831.20

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Solution

The fourth proportional to 49,358.40, 74,037.60 and 46,831.20 is: 70,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,358.40 : 74,037.60 = 46,831.20 : x
  2. Step 2: Convert to fraction form
    49,358.40/74,037.60 = 46,831.20/x
  3. Step 3: Cross multiply
    49,358.40x = 74,037.60 × 46,831.20
  4. Step 4: Simplify right side
    49,358.40x = 3,467,269,653.12
  5. Step 5: Solve for x
    x = 3,467,269,653.12/49,358.40
  6. Step 6: Final answer
    x = 70,246.80

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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.