Home / 47,311.65-70,965.93-19,223.40

Finding the Fourth Proportional to 47,311.65, 70,965.93 and 19,223.40

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Solution

The fourth proportional to 47,311.65, 70,965.93 and 19,223.40 is: 28,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,311.65 : 70,965.93 = 19,223.40 : x
  2. Step 2: Convert to fraction form
    47,311.65/70,965.93 = 19,223.40/x
  3. Step 3: Cross multiply
    47,311.65x = 70,965.93 × 19,223.40
  4. Step 4: Simplify right side
    47,311.65x = 1,364,206,458.76
  5. Step 5: Solve for x
    x = 1,364,206,458.76/47,311.65
  6. Step 6: Final answer
    x = 28,834.47

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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.