Home / 47,287.44-70,931-14,007.76

Finding the Fourth Proportional to 47,287.44, 70,931 and 14,007.76

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Solution

The fourth proportional to 47,287.44, 70,931 and 14,007.76 is: 21,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,287.44 : 70,931 = 14,007.76 : x
  2. Step 2: Convert to fraction form
    47,287.44/70,931 = 14,007.76/x
  3. Step 3: Cross multiply
    47,287.44x = 70,931 × 14,007.76
  4. Step 4: Simplify right side
    47,287.44x = 993,584,424.56
  5. Step 5: Solve for x
    x = 993,584,424.56/47,287.44
  6. Step 6: Final answer
    x = 21,011.59

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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.