Home / 34,780.94-47,996.40-18,864.86

Finding the Fourth Proportional to 34,780.94, 47,996.40 and 18,864.86

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Solution

The fourth proportional to 34,780.94, 47,996.40 and 18,864.86 is: 26,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,780.94 : 47,996.40 = 18,864.86 : x
  2. Step 2: Convert to fraction form
    34,780.94/47,996.40 = 18,864.86/x
  3. Step 3: Cross multiply
    34,780.94x = 47,996.40 × 18,864.86
  4. Step 4: Simplify right side
    34,780.94x = 905,445,366.50
  5. Step 5: Solve for x
    x = 905,445,366.50/34,780.94
  6. Step 6: Final answer
    x = 26,032.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.