Home / 55,636.05-76,779.14-31,764.95

Finding the Fourth Proportional to 55,636.05, 76,779.14 and 31,764.95

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Solution

The fourth proportional to 55,636.05, 76,779.14 and 31,764.95 is: 43,836.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,636.05 : 76,779.14 = 31,764.95 : x
  2. Step 2: Convert to fraction form
    55,636.05/76,779.14 = 31,764.95/x
  3. Step 3: Cross multiply
    55,636.05x = 76,779.14 × 31,764.95
  4. Step 4: Simplify right side
    55,636.05x = 2,438,885,000.42
  5. Step 5: Solve for x
    x = 2,438,885,000.42/55,636.05
  6. Step 6: Final answer
    x = 43,836.42

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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.