Home / 51,034.05-70,461.36-45,639.72

Finding the Fourth Proportional to 51,034.05, 70,461.36 and 45,639.72

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Solution

The fourth proportional to 51,034.05, 70,461.36 and 45,639.72 is: 63,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,034.05 : 70,461.36 = 45,639.72 : x
  2. Step 2: Convert to fraction form
    51,034.05/70,461.36 = 45,639.72/x
  3. Step 3: Cross multiply
    51,034.05x = 70,461.36 × 45,639.72
  4. Step 4: Simplify right side
    51,034.05x = 3,215,836,741.22
  5. Step 5: Solve for x
    x = 3,215,836,741.22/51,034.05
  6. Step 6: Final answer
    x = 63,013.55

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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.