Home / 51,186.63-76,731.35-17,885.00

Finding the Fourth Proportional to 51,186.63, 76,731.35 and 17,885.00

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Solution

The fourth proportional to 51,186.63, 76,731.35 and 17,885.00 is: 26,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,186.63 : 76,731.35 = 17,885.00 : x
  2. Step 2: Convert to fraction form
    51,186.63/76,731.35 = 17,885.00/x
  3. Step 3: Cross multiply
    51,186.63x = 76,731.35 × 17,885.00
  4. Step 4: Simplify right side
    51,186.63x = 1,372,340,397.76
  5. Step 5: Solve for x
    x = 1,372,340,397.76/51,186.63
  6. Step 6: Final answer
    x = 26,810.52

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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.