Home / 52,779.60-72,844.08-30,118.56

Finding the Fourth Proportional to 52,779.60, 72,844.08 and 30,118.56

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Solution

The fourth proportional to 52,779.60, 72,844.08 and 30,118.56 is: 41,568.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,779.60 : 72,844.08 = 30,118.56 : x
  2. Step 2: Convert to fraction form
    52,779.60/72,844.08 = 30,118.56/x
  3. Step 3: Cross multiply
    52,779.60x = 72,844.08 × 30,118.56
  4. Step 4: Simplify right side
    52,779.60x = 2,193,958,794.12
  5. Step 5: Solve for x
    x = 2,193,958,794.12/52,779.60
  6. Step 6: Final answer
    x = 41,568.31

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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.