Home / 51,438.63-77,150.13-14,001.61

Finding the Fourth Proportional to 51,438.63, 77,150.13 and 14,001.61

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Solution

The fourth proportional to 51,438.63, 77,150.13 and 14,001.61 is: 21,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,438.63 : 77,150.13 = 14,001.61 : x
  2. Step 2: Convert to fraction form
    51,438.63/77,150.13 = 14,001.61/x
  3. Step 3: Cross multiply
    51,438.63x = 77,150.13 × 14,001.61
  4. Step 4: Simplify right side
    51,438.63x = 1,080,226,031.71
  5. Step 5: Solve for x
    x = 1,080,226,031.71/51,438.63
  6. Step 6: Final answer
    x = 21,000.29

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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.