Home / 51,301.80-76,952.70-47,365.20

Finding the Fourth Proportional to 51,301.80, 76,952.70 and 47,365.20

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Solution

The fourth proportional to 51,301.80, 76,952.70 and 47,365.20 is: 71,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,301.80 : 76,952.70 = 47,365.20 : x
  2. Step 2: Convert to fraction form
    51,301.80/76,952.70 = 47,365.20/x
  3. Step 3: Cross multiply
    51,301.80x = 76,952.70 × 47,365.20
  4. Step 4: Simplify right side
    51,301.80x = 3,644,880,026.04
  5. Step 5: Solve for x
    x = 3,644,880,026.04/51,301.80
  6. Step 6: Final answer
    x = 71,047.80

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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.