Home / 51,318.40-70,829.76-33,416.32

Finding the Fourth Proportional to 51,318.40, 70,829.76 and 33,416.32

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Solution

The fourth proportional to 51,318.40, 70,829.76 and 33,416.32 is: 46,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,318.40 : 70,829.76 = 33,416.32 : x
  2. Step 2: Convert to fraction form
    51,318.40/70,829.76 = 33,416.32/x
  3. Step 3: Cross multiply
    51,318.40x = 70,829.76 × 33,416.32
  4. Step 4: Simplify right side
    51,318.40x = 2,366,869,925.68
  5. Step 5: Solve for x
    x = 2,366,869,925.68/51,318.40
  6. Step 6: Final answer
    x = 46,121.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.