Home / 31,501.04-47,223.36-11,780.48

Finding the Fourth Proportional to 31,501.04, 47,223.36 and 11,780.48

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Solution

The fourth proportional to 31,501.04, 47,223.36 and 11,780.48 is: 17,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501.04 : 47,223.36 = 11,780.48 : x
  2. Step 2: Convert to fraction form
    31,501.04/47,223.36 = 11,780.48/x
  3. Step 3: Cross multiply
    31,501.04x = 47,223.36 × 11,780.48
  4. Step 4: Simplify right side
    31,501.04x = 556,313,848.01
  5. Step 5: Solve for x
    x = 556,313,848.01/31,501.04
  6. Step 6: Final answer
    x = 17,660.17

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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.