Home / 56,715.58-85,073.37-15,161.50

Finding the Fourth Proportional to 56,715.58, 85,073.37 and 15,161.50

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Solution

The fourth proportional to 56,715.58, 85,073.37 and 15,161.50 is: 22,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,715.58 : 85,073.37 = 15,161.50 : x
  2. Step 2: Convert to fraction form
    56,715.58/85,073.37 = 15,161.50/x
  3. Step 3: Cross multiply
    56,715.58x = 85,073.37 × 15,161.50
  4. Step 4: Simplify right side
    56,715.58x = 1,289,839,899.26
  5. Step 5: Solve for x
    x = 1,289,839,899.26/56,715.58
  6. Step 6: Final answer
    x = 22,742.25

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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.