Home / 56,645.28-84,967.92-19,205.46

Finding the Fourth Proportional to 56,645.28, 84,967.92 and 19,205.46

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Solution

The fourth proportional to 56,645.28, 84,967.92 and 19,205.46 is: 28,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,645.28 : 84,967.92 = 19,205.46 : x
  2. Step 2: Convert to fraction form
    56,645.28/84,967.92 = 19,205.46/x
  3. Step 3: Cross multiply
    56,645.28x = 84,967.92 × 19,205.46
  4. Step 4: Simplify right side
    56,645.28x = 1,631,847,988.84
  5. Step 5: Solve for x
    x = 1,631,847,988.84/56,645.28
  6. Step 6: Final answer
    x = 28,808.19

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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.