Home / 34,780.29-47,996.73-18,864.69

Finding the Fourth Proportional to 34,780.29, 47,996.73 and 18,864.69

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Solution

The fourth proportional to 34,780.29, 47,996.73 and 18,864.69 is: 26,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,780.29 : 47,996.73 = 18,864.69 : x
  2. Step 2: Convert to fraction form
    34,780.29/47,996.73 = 18,864.69/x
  3. Step 3: Cross multiply
    34,780.29x = 47,996.73 × 18,864.69
  4. Step 4: Simplify right side
    34,780.29x = 905,443,432.46
  5. Step 5: Solve for x
    x = 905,443,432.46/34,780.29
  6. Step 6: Final answer
    x = 26,033.23

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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.