Home / 31,056.60-46,581.30-8,873.40

Finding the Fourth Proportional to 31,056.60, 46,581.30 and 8,873.40

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Solution

The fourth proportional to 31,056.60, 46,581.30 and 8,873.40 is: 13,309.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,056.60 : 46,581.30 = 8,873.40 : x
  2. Step 2: Convert to fraction form
    31,056.60/46,581.30 = 8,873.40/x
  3. Step 3: Cross multiply
    31,056.60x = 46,581.30 × 8,873.40
  4. Step 4: Simplify right side
    31,056.60x = 413,334,507.42
  5. Step 5: Solve for x
    x = 413,334,507.42/31,056.60
  6. Step 6: Final answer
    x = 13,309.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.