Home / 31,483.04-47,173.24-18,346.48

Finding the Fourth Proportional to 31,483.04, 47,173.24 and 18,346.48

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Solution

The fourth proportional to 31,483.04, 47,173.24 and 18,346.48 is: 27,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,483.04 : 47,173.24 = 18,346.48 : x
  2. Step 2: Convert to fraction form
    31,483.04/47,173.24 = 18,346.48/x
  3. Step 3: Cross multiply
    31,483.04x = 47,173.24 × 18,346.48
  4. Step 4: Simplify right side
    31,483.04x = 865,462,904.20
  5. Step 5: Solve for x
    x = 865,462,904.20/31,483.04
  6. Step 6: Final answer
    x = 27,489.81

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1.5x scale

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.