Home / 56,628.11-78,140.70-32,750.12

Finding the Fourth Proportional to 56,628.11, 78,140.70 and 32,750.12

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Solution

The fourth proportional to 56,628.11, 78,140.70 and 32,750.12 is: 45,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,628.11 : 78,140.70 = 32,750.12 : x
  2. Step 2: Convert to fraction form
    56,628.11/78,140.70 = 32,750.12/x
  3. Step 3: Cross multiply
    56,628.11x = 78,140.70 × 32,750.12
  4. Step 4: Simplify right side
    56,628.11x = 2,559,117,497.24
  5. Step 5: Solve for x
    x = 2,559,117,497.24/56,628.11
  6. Step 6: Final answer
    x = 45,191.64

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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.