Home / 47,604.40-65,612.08-31,660.36

Finding the Fourth Proportional to 47,604.40, 65,612.08 and 31,660.36

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Solution

The fourth proportional to 47,604.40, 65,612.08 and 31,660.36 is: 43,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,604.40 : 65,612.08 = 31,660.36 : x
  2. Step 2: Convert to fraction form
    47,604.40/65,612.08 = 31,660.36/x
  3. Step 3: Cross multiply
    47,604.40x = 65,612.08 × 31,660.36
  4. Step 4: Simplify right side
    47,604.40x = 2,077,302,073.15
  5. Step 5: Solve for x
    x = 2,077,302,073.15/47,604.40
  6. Step 6: Final answer
    x = 43,636.77

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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.