Home / 50,486.40-75,411.36-49,086.72

Finding the Fourth Proportional to 50,486.40, 75,411.36 and 49,086.72

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Solution

The fourth proportional to 50,486.40, 75,411.36 and 49,086.72 is: 73,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,486.40 : 75,411.36 = 49,086.72 : x
  2. Step 2: Convert to fraction form
    50,486.40/75,411.36 = 49,086.72/x
  3. Step 3: Cross multiply
    50,486.40x = 75,411.36 × 49,086.72
  4. Step 4: Simplify right side
    50,486.40x = 3,701,696,313.14
  5. Step 5: Solve for x
    x = 3,701,696,313.14/50,486.40
  6. Step 6: Final answer
    x = 73,320.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.