Home / 51,655.70-71,282.76-28,995.14

Finding the Fourth Proportional to 51,655.70, 71,282.76 and 28,995.14

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Solution

The fourth proportional to 51,655.70, 71,282.76 and 28,995.14 is: 40,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,655.70 : 71,282.76 = 28,995.14 : x
  2. Step 2: Convert to fraction form
    51,655.70/71,282.76 = 28,995.14/x
  3. Step 3: Cross multiply
    51,655.70x = 71,282.76 × 28,995.14
  4. Step 4: Simplify right side
    51,655.70x = 2,066,853,605.79
  5. Step 5: Solve for x
    x = 2,066,853,605.79/51,655.70
  6. Step 6: Final answer
    x = 40,012.11

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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.