Home / 53,855.04-74,324.64-31,506.24

Finding the Fourth Proportional to 53,855.04, 74,324.64 and 31,506.24

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Solution

The fourth proportional to 53,855.04, 74,324.64 and 31,506.24 is: 43,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,855.04 : 74,324.64 = 31,506.24 : x
  2. Step 2: Convert to fraction form
    53,855.04/74,324.64 = 31,506.24/x
  3. Step 3: Cross multiply
    53,855.04x = 74,324.64 × 31,506.24
  4. Step 4: Simplify right side
    53,855.04x = 2,341,689,945.75
  5. Step 5: Solve for x
    x = 2,341,689,945.75/53,855.04
  6. Step 6: Final answer
    x = 43,481.35

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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.