Home / 55,009.30-82,505.85-15,570.40

Finding the Fourth Proportional to 55,009.30, 82,505.85 and 15,570.40

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Solution

The fourth proportional to 55,009.30, 82,505.85 and 15,570.40 is: 23,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,009.30 : 82,505.85 = 15,570.40 : x
  2. Step 2: Convert to fraction form
    55,009.30/82,505.85 = 15,570.40/x
  3. Step 3: Cross multiply
    55,009.30x = 82,505.85 × 15,570.40
  4. Step 4: Simplify right side
    55,009.30x = 1,284,649,086.84
  5. Step 5: Solve for x
    x = 1,284,649,086.84/55,009.30
  6. Step 6: Final answer
    x = 23,353.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.