Home / 34,854.79-48,100.77-20,512.02

Finding the Fourth Proportional to 34,854.79, 48,100.77 and 20,512.02

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Solution

The fourth proportional to 34,854.79, 48,100.77 and 20,512.02 is: 28,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,854.79 : 48,100.77 = 20,512.02 : x
  2. Step 2: Convert to fraction form
    34,854.79/48,100.77 = 20,512.02/x
  3. Step 3: Cross multiply
    34,854.79x = 48,100.77 × 20,512.02
  4. Step 4: Simplify right side
    34,854.79x = 986,643,956.26
  5. Step 5: Solve for x
    x = 986,643,956.26/34,854.79
  6. Step 6: Final answer
    x = 28,307.27

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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.