Home / 49,887.94-74,831.70-20,298.76

Finding the Fourth Proportional to 49,887.94, 74,831.70 and 20,298.76

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Solution

The fourth proportional to 49,887.94, 74,831.70 and 20,298.76 is: 30,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,887.94 : 74,831.70 = 20,298.76 : x
  2. Step 2: Convert to fraction form
    49,887.94/74,831.70 = 20,298.76/x
  3. Step 3: Cross multiply
    49,887.94x = 74,831.70 × 20,298.76
  4. Step 4: Simplify right side
    49,887.94x = 1,518,990,718.69
  5. Step 5: Solve for x
    x = 1,518,990,718.69/49,887.94
  6. Step 6: Final answer
    x = 30,448.05

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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.