Home / 34,779.83-47,996.16-18,864.39

Finding the Fourth Proportional to 34,779.83, 47,996.16 and 18,864.39

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Solution

The fourth proportional to 34,779.83, 47,996.16 and 18,864.39 is: 26,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,779.83 : 47,996.16 = 18,864.39 : x
  2. Step 2: Convert to fraction form
    34,779.83/47,996.16 = 18,864.39/x
  3. Step 3: Cross multiply
    34,779.83x = 47,996.16 × 18,864.39
  4. Step 4: Simplify right side
    34,779.83x = 905,418,280.74
  5. Step 5: Solve for x
    x = 905,418,280.74/34,779.83
  6. Step 6: Final answer
    x = 26,032.86

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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.