Home / 52,043.53-71,821.38-31,911.50

Finding the Fourth Proportional to 52,043.53, 71,821.38 and 31,911.50

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Solution

The fourth proportional to 52,043.53, 71,821.38 and 31,911.50 is: 44,038.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,043.53 : 71,821.38 = 31,911.50 : x
  2. Step 2: Convert to fraction form
    52,043.53/71,821.38 = 31,911.50/x
  3. Step 3: Cross multiply
    52,043.53x = 71,821.38 × 31,911.50
  4. Step 4: Simplify right side
    52,043.53x = 2,291,928,267.09
  5. Step 5: Solve for x
    x = 2,291,928,267.09/52,043.53
  6. Step 6: Final answer
    x = 44,038.68

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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.