Home / 55,609.68-76,741.40-30,116.08

Finding the Fourth Proportional to 55,609.68, 76,741.40 and 30,116.08

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Solution

The fourth proportional to 55,609.68, 76,741.40 and 30,116.08 is: 41,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609.68 : 76,741.40 = 30,116.08 : x
  2. Step 2: Convert to fraction form
    55,609.68/76,741.40 = 30,116.08/x
  3. Step 3: Cross multiply
    55,609.68x = 76,741.40 × 30,116.08
  4. Step 4: Simplify right side
    55,609.68x = 2,311,150,141.71
  5. Step 5: Solve for x
    x = 2,311,150,141.71/55,609.68
  6. Step 6: Final answer
    x = 41,560.21

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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.