Home / 52,040.74-78,102.60-18,784.12

Finding the Fourth Proportional to 52,040.74, 78,102.60 and 18,784.12

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Solution

The fourth proportional to 52,040.74, 78,102.60 and 18,784.12 is: 28,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,040.74 : 78,102.60 = 18,784.12 : x
  2. Step 2: Convert to fraction form
    52,040.74/78,102.60 = 18,784.12/x
  3. Step 3: Cross multiply
    52,040.74x = 78,102.60 × 18,784.12
  4. Step 4: Simplify right side
    52,040.74x = 1,467,088,610.71
  5. Step 5: Solve for x
    x = 1,467,088,610.71/52,040.74
  6. Step 6: Final answer
    x = 28,191.16

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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.