Home / 31,717.79-47,577.46-10,658.14

Finding the Fourth Proportional to 31,717.79, 47,577.46 and 10,658.14

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Solution

The fourth proportional to 31,717.79, 47,577.46 and 10,658.14 is: 15,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,717.79 : 47,577.46 = 10,658.14 : x
  2. Step 2: Convert to fraction form
    31,717.79/47,577.46 = 10,658.14/x
  3. Step 3: Cross multiply
    31,717.79x = 47,577.46 × 10,658.14
  4. Step 4: Simplify right side
    31,717.79x = 507,086,991.64
  5. Step 5: Solve for x
    x = 507,086,991.64/31,717.79
  6. Step 6: Final answer
    x = 15,987.46

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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.