Home / 47,011.86-70,516.71-11,951.55

Finding the Fourth Proportional to 47,011.86, 70,516.71 and 11,951.55

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Solution

The fourth proportional to 47,011.86, 70,516.71 and 11,951.55 is: 17,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,011.86 : 70,516.71 = 11,951.55 : x
  2. Step 2: Convert to fraction form
    47,011.86/70,516.71 = 11,951.55/x
  3. Step 3: Cross multiply
    47,011.86x = 70,516.71 × 11,951.55
  4. Step 4: Simplify right side
    47,011.86x = 842,783,985.40
  5. Step 5: Solve for x
    x = 842,783,985.40/47,011.86
  6. Step 6: Final answer
    x = 17,927.05

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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.