Home / 51,359.89-77,047.13-15,824.10

Finding the Fourth Proportional to 51,359.89, 77,047.13 and 15,824.10

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Solution

The fourth proportional to 51,359.89, 77,047.13 and 15,824.10 is: 23,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,359.89 : 77,047.13 = 15,824.10 : x
  2. Step 2: Convert to fraction form
    51,359.89/77,047.13 = 15,824.10/x
  3. Step 3: Cross multiply
    51,359.89x = 77,047.13 × 15,824.10
  4. Step 4: Simplify right side
    51,359.89x = 1,219,201,489.83
  5. Step 5: Solve for x
    x = 1,219,201,489.83/51,359.89
  6. Step 6: Final answer
    x = 23,738.40

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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.