Home / 53,286.40-73,509.12-34,439.68

Finding the Fourth Proportional to 53,286.40, 73,509.12 and 34,439.68

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Solution

The fourth proportional to 53,286.40, 73,509.12 and 34,439.68 is: 47,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,286.40 : 73,509.12 = 34,439.68 : x
  2. Step 2: Convert to fraction form
    53,286.40/73,509.12 = 34,439.68/x
  3. Step 3: Cross multiply
    53,286.40x = 73,509.12 × 34,439.68
  4. Step 4: Simplify right side
    53,286.40x = 2,531,630,569.88
  5. Step 5: Solve for x
    x = 2,531,630,569.88/53,286.40
  6. Step 6: Final answer
    x = 47,509.88

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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.