Home / 31,483.22-43,445.14-18,055.04

Finding the Fourth Proportional to 31,483.22, 43,445.14 and 18,055.04

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Solution

The fourth proportional to 31,483.22, 43,445.14 and 18,055.04 is: 24,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,483.22 : 43,445.14 = 18,055.04 : x
  2. Step 2: Convert to fraction form
    31,483.22/43,445.14 = 18,055.04/x
  3. Step 3: Cross multiply
    31,483.22x = 43,445.14 × 18,055.04
  4. Step 4: Simplify right side
    31,483.22x = 784,403,478.14
  5. Step 5: Solve for x
    x = 784,403,478.14/31,483.22
  6. Step 6: Final answer
    x = 24,914.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.