Home / 55,779.74-76,975.62-30,285.62

Finding the Fourth Proportional to 55,779.74, 76,975.62 and 30,285.62

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Solution

The fourth proportional to 55,779.74, 76,975.62 and 30,285.62 is: 41,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779.74 : 76,975.62 = 30,285.62 : x
  2. Step 2: Convert to fraction form
    55,779.74/76,975.62 = 30,285.62/x
  3. Step 3: Cross multiply
    55,779.74x = 76,975.62 × 30,285.62
  4. Step 4: Simplify right side
    55,779.74x = 2,331,254,383.29
  5. Step 5: Solve for x
    x = 2,331,254,383.29/55,779.74
  6. Step 6: Final answer
    x = 41,793.93

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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.