Home / 31,685.12-47,527.68-10,907.04

Finding the Fourth Proportional to 31,685.12, 47,527.68 and 10,907.04

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Solution

The fourth proportional to 31,685.12, 47,527.68 and 10,907.04 is: 16,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,685.12 : 47,527.68 = 10,907.04 : x
  2. Step 2: Convert to fraction form
    31,685.12/47,527.68 = 10,907.04/x
  3. Step 3: Cross multiply
    31,685.12x = 47,527.68 × 10,907.04
  4. Step 4: Simplify right side
    31,685.12x = 518,386,306.87
  5. Step 5: Solve for x
    x = 518,386,306.87/31,685.12
  6. Step 6: Final answer
    x = 16,360.56

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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.