Home / 31,971.43-47,953.73-9,784.78

Finding the Fourth Proportional to 31,971.43, 47,953.73 and 9,784.78

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Solution

The fourth proportional to 31,971.43, 47,953.73 and 9,784.78 is: 14,676.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,971.43 : 47,953.73 = 9,784.78 : x
  2. Step 2: Convert to fraction form
    31,971.43/47,953.73 = 9,784.78/x
  3. Step 3: Cross multiply
    31,971.43x = 47,953.73 × 9,784.78
  4. Step 4: Simplify right side
    31,971.43x = 469,216,698.23
  5. Step 5: Solve for x
    x = 469,216,698.23/31,971.43
  6. Step 6: Final answer
    x = 14,676.12

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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.