Home / 31,923.78-47,885.64-8,549.58

Finding the Fourth Proportional to 31,923.78, 47,885.64 and 8,549.58

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Solution

The fourth proportional to 31,923.78, 47,885.64 and 8,549.58 is: 12,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,923.78 : 47,885.64 = 8,549.58 : x
  2. Step 2: Convert to fraction form
    31,923.78/47,885.64 = 8,549.58/x
  3. Step 3: Cross multiply
    31,923.78x = 47,885.64 × 8,549.58
  4. Step 4: Simplify right side
    31,923.78x = 409,402,110.03
  5. Step 5: Solve for x
    x = 409,402,110.03/31,923.78
  6. Step 6: Final answer
    x = 12,824.36

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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.