Home / 55,779.75-76,980.17-34,563.15

Finding the Fourth Proportional to 55,779.75, 76,980.17 and 34,563.15

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Solution

The fourth proportional to 55,779.75, 76,980.17 and 34,563.15 is: 47,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779.75 : 76,980.17 = 34,563.15 : x
  2. Step 2: Convert to fraction form
    55,779.75/76,980.17 = 34,563.15/x
  3. Step 3: Cross multiply
    55,779.75x = 76,980.17 × 34,563.15
  4. Step 4: Simplify right side
    55,779.75x = 2,660,677,249.14
  5. Step 5: Solve for x
    x = 2,660,677,249.14/55,779.75
  6. Step 6: Final answer
    x = 47,699.70

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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.