Home / 31,606.97-47,417.39-11,885.52

Finding the Fourth Proportional to 31,606.97, 47,417.39 and 11,885.52

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Solution

The fourth proportional to 31,606.97, 47,417.39 and 11,885.52 is: 17,830.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,606.97 : 47,417.39 = 11,885.52 : x
  2. Step 2: Convert to fraction form
    31,606.97/47,417.39 = 11,885.52/x
  3. Step 3: Cross multiply
    31,606.97x = 47,417.39 × 11,885.52
  4. Step 4: Simplify right side
    31,606.97x = 563,580,416.76
  5. Step 5: Solve for x
    x = 563,580,416.76/31,606.97
  6. Step 6: Final answer
    x = 17,830.89

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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.