Home / 51,478.08-71,047.18-29,670.12

Finding the Fourth Proportional to 51,478.08, 71,047.18 and 29,670.12

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Solution

The fourth proportional to 51,478.08, 71,047.18 and 29,670.12 is: 40,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,478.08 : 71,047.18 = 29,670.12 : x
  2. Step 2: Convert to fraction form
    51,478.08/71,047.18 = 29,670.12/x
  3. Step 3: Cross multiply
    51,478.08x = 71,047.18 × 29,670.12
  4. Step 4: Simplify right side
    51,478.08x = 2,107,978,356.26
  5. Step 5: Solve for x
    x = 2,107,978,356.26/51,478.08
  6. Step 6: Final answer
    x = 40,949.05

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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.