Home / 51,071.88-76,541.46-28,581.63

Finding the Fourth Proportional to 51,071.88, 76,541.46 and 28,581.63

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Solution

The fourth proportional to 51,071.88, 76,541.46 and 28,581.63 is: 42,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071.88 : 76,541.46 = 28,581.63 : x
  2. Step 2: Convert to fraction form
    51,071.88/76,541.46 = 28,581.63/x
  3. Step 3: Cross multiply
    51,071.88x = 76,541.46 × 28,581.63
  4. Step 4: Simplify right side
    51,071.88x = 2,187,679,295.17
  5. Step 5: Solve for x
    x = 2,187,679,295.17/51,071.88
  6. Step 6: Final answer
    x = 42,835.30

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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.