Home / 47,351.40-71,038.14-14,071.72

Finding the Fourth Proportional to 47,351.40, 71,038.14 and 14,071.72

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Solution

The fourth proportional to 47,351.40, 71,038.14 and 14,071.72 is: 21,110.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,351.40 : 71,038.14 = 14,071.72 : x
  2. Step 2: Convert to fraction form
    47,351.40/71,038.14 = 14,071.72/x
  3. Step 3: Cross multiply
    47,351.40x = 71,038.14 × 14,071.72
  4. Step 4: Simplify right side
    47,351.40x = 999,628,815.40
  5. Step 5: Solve for x
    x = 999,628,815.40/47,351.40
  6. Step 6: Final answer
    x = 21,110.86

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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.