Home / 31,532.36-47,303.40-10,751

Finding the Fourth Proportional to 31,532.36, 47,303.40 and 10,751

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Solution

The fourth proportional to 31,532.36, 47,303.40 and 10,751 is: 16,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.36 : 47,303.40 = 10,751 : x
  2. Step 2: Convert to fraction form
    31,532.36/47,303.40 = 10,751/x
  3. Step 3: Cross multiply
    31,532.36x = 47,303.40 × 10,751
  4. Step 4: Simplify right side
    31,532.36x = 508,558,853.40
  5. Step 5: Solve for x
    x = 508,558,853.40/31,532.36
  6. Step 6: Final answer
    x = 16,128.16

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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.