Home / 31,308.68-46,962.93-7,935.05

Finding the Fourth Proportional to 31,308.68, 46,962.93 and 7,935.05

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Solution

The fourth proportional to 31,308.68, 46,962.93 and 7,935.05 is: 11,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.68 : 46,962.93 = 7,935.05 : x
  2. Step 2: Convert to fraction form
    31,308.68/46,962.93 = 7,935.05/x
  3. Step 3: Cross multiply
    31,308.68x = 46,962.93 × 7,935.05
  4. Step 4: Simplify right side
    31,308.68x = 372,653,197.70
  5. Step 5: Solve for x
    x = 372,653,197.70/31,308.68
  6. Step 6: Final answer
    x = 11,902.55

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1.5x scale

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.