Home / 34,931.45-48,254.40-31,153.40

Finding the Fourth Proportional to 34,931.45, 48,254.40 and 31,153.40

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Solution

The fourth proportional to 34,931.45, 48,254.40 and 31,153.40 is: 43,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,931.45 : 48,254.40 = 31,153.40 : x
  2. Step 2: Convert to fraction form
    34,931.45/48,254.40 = 31,153.40/x
  3. Step 3: Cross multiply
    34,931.45x = 48,254.40 × 31,153.40
  4. Step 4: Simplify right side
    34,931.45x = 1,503,288,383.69
  5. Step 5: Solve for x
    x = 1,503,288,383.69/34,931.45
  6. Step 6: Final answer
    x = 43,035.39

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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.