Home / 47,318.18-70,976.76-14,038.57

Finding the Fourth Proportional to 47,318.18, 70,976.76 and 14,038.57

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Solution

The fourth proportional to 47,318.18, 70,976.76 and 14,038.57 is: 21,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,318.18 : 70,976.76 = 14,038.57 : x
  2. Step 2: Convert to fraction form
    47,318.18/70,976.76 = 14,038.57/x
  3. Step 3: Cross multiply
    47,318.18x = 70,976.76 × 14,038.57
  4. Step 4: Simplify right side
    47,318.18x = 996,411,850.47
  5. Step 5: Solve for x
    x = 996,411,850.47/47,318.18
  6. Step 6: Final answer
    x = 21,057.70

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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.