Home / 31,137.48-46,699.56-10,079.46

Finding the Fourth Proportional to 31,137.48, 46,699.56 and 10,079.46

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Solution

The fourth proportional to 31,137.48, 46,699.56 and 10,079.46 is: 15,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,137.48 : 46,699.56 = 10,079.46 : x
  2. Step 2: Convert to fraction form
    31,137.48/46,699.56 = 10,079.46/x
  3. Step 3: Cross multiply
    31,137.48x = 46,699.56 × 10,079.46
  4. Step 4: Simplify right side
    31,137.48x = 470,706,347.04
  5. Step 5: Solve for x
    x = 470,706,347.04/31,137.48
  6. Step 6: Final answer
    x = 15,117.03

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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.