Home / 51,335.64-77,047.20-30,244.79

Finding the Fourth Proportional to 51,335.64, 77,047.20 and 30,244.79

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Solution

The fourth proportional to 51,335.64, 77,047.20 and 30,244.79 is: 45,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,335.64 : 77,047.20 = 30,244.79 : x
  2. Step 2: Convert to fraction form
    51,335.64/77,047.20 = 30,244.79/x
  3. Step 3: Cross multiply
    51,335.64x = 77,047.20 × 30,244.79
  4. Step 4: Simplify right side
    51,335.64x = 2,330,276,576.71
  5. Step 5: Solve for x
    x = 2,330,276,576.71/51,335.64
  6. Step 6: Final answer
    x = 45,392.96

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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.