Home / 47,368.17-70,990.74-19,255.50

Finding the Fourth Proportional to 47,368.17, 70,990.74 and 19,255.50

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Solution

The fourth proportional to 47,368.17, 70,990.74 and 19,255.50 is: 28,858.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,368.17 : 70,990.74 = 19,255.50 : x
  2. Step 2: Convert to fraction form
    47,368.17/70,990.74 = 19,255.50/x
  3. Step 3: Cross multiply
    47,368.17x = 70,990.74 × 19,255.50
  4. Step 4: Simplify right side
    47,368.17x = 1,366,962,194.07
  5. Step 5: Solve for x
    x = 1,366,962,194.07/47,368.17
  6. Step 6: Final answer
    x = 28,858.24

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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.