Home / 47,795.49-65,895.80-30,769.29

Finding the Fourth Proportional to 47,795.49, 65,895.80 and 30,769.29

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Solution

The fourth proportional to 47,795.49, 65,895.80 and 30,769.29 is: 42,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,795.49 : 65,895.80 = 30,769.29 : x
  2. Step 2: Convert to fraction form
    47,795.49/65,895.80 = 30,769.29/x
  3. Step 3: Cross multiply
    47,795.49x = 65,895.80 × 30,769.29
  4. Step 4: Simplify right side
    47,795.49x = 2,027,566,826.14
  5. Step 5: Solve for x
    x = 2,027,566,826.14/47,795.49
  6. Step 6: Final answer
    x = 42,421.72

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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.