Home / 35,140.92-52,486.64-31,804.08

Finding the Fourth Proportional to 35,140.92, 52,486.64 and 31,804.08

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Solution

The fourth proportional to 35,140.92, 52,486.64 and 31,804.08 is: 47,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,140.92 : 52,486.64 = 31,804.08 : x
  2. Step 2: Convert to fraction form
    35,140.92/52,486.64 = 31,804.08/x
  3. Step 3: Cross multiply
    35,140.92x = 52,486.64 × 31,804.08
  4. Step 4: Simplify right side
    35,140.92x = 1,669,289,138.47
  5. Step 5: Solve for x
    x = 1,669,289,138.47/35,140.92
  6. Step 6: Final answer
    x = 47,502.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.