Home / 55,207.40-76,186.50-30,057.08

Finding the Fourth Proportional to 55,207.40, 76,186.50 and 30,057.08

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Solution

The fourth proportional to 55,207.40, 76,186.50 and 30,057.08 is: 41,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,207.40 : 76,186.50 = 30,057.08 : x
  2. Step 2: Convert to fraction form
    55,207.40/76,186.50 = 30,057.08/x
  3. Step 3: Cross multiply
    55,207.40x = 76,186.50 × 30,057.08
  4. Step 4: Simplify right side
    55,207.40x = 2,289,943,725.42
  5. Step 5: Solve for x
    x = 2,289,943,725.42/55,207.40
  6. Step 6: Final answer
    x = 41,478.93

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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.