Home / 31,721.70-47,582.59-9,535.08

Finding the Fourth Proportional to 31,721.70, 47,582.59 and 9,535.08

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Solution

The fourth proportional to 31,721.70, 47,582.59 and 9,535.08 is: 14,302.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721.70 : 47,582.59 = 9,535.08 : x
  2. Step 2: Convert to fraction form
    31,721.70/47,582.59 = 9,535.08/x
  3. Step 3: Cross multiply
    31,721.70x = 47,582.59 × 9,535.08
  4. Step 4: Simplify right side
    31,721.70x = 453,703,818.65
  5. Step 5: Solve for x
    x = 453,703,818.65/31,721.70
  6. Step 6: Final answer
    x = 14,302.63

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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.