Home / 31,312.04-46,968.26-7,938.50

Finding the Fourth Proportional to 31,312.04, 46,968.26 and 7,938.50

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Solution

The fourth proportional to 31,312.04, 46,968.26 and 7,938.50 is: 11,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,312.04 : 46,968.26 = 7,938.50 : x
  2. Step 2: Convert to fraction form
    31,312.04/46,968.26 = 7,938.50/x
  3. Step 3: Cross multiply
    31,312.04x = 46,968.26 × 7,938.50
  4. Step 4: Simplify right side
    31,312.04x = 372,857,257.48
  5. Step 5: Solve for x
    x = 372,857,257.48/31,312.04
  6. Step 6: Final answer
    x = 11,907.79

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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.