Home / 51,053.34-70,455.10-30,913.88

Finding the Fourth Proportional to 51,053.34, 70,455.10 and 30,913.88

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Solution

The fourth proportional to 51,053.34, 70,455.10 and 30,913.88 is: 42,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,053.34 : 70,455.10 = 30,913.88 : x
  2. Step 2: Convert to fraction form
    51,053.34/70,455.10 = 30,913.88/x
  3. Step 3: Cross multiply
    51,053.34x = 70,455.10 × 30,913.88
  4. Step 4: Simplify right side
    51,053.34x = 2,178,040,506.79
  5. Step 5: Solve for x
    x = 2,178,040,506.79/51,053.34
  6. Step 6: Final answer
    x = 42,662.06

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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.