Home / 51,001.04-76,501.56-18,146

Finding the Fourth Proportional to 51,001.04, 76,501.56 and 18,146

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Solution

The fourth proportional to 51,001.04, 76,501.56 and 18,146 is: 27,219

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,001.04 : 76,501.56 = 18,146 : x
  2. Step 2: Convert to fraction form
    51,001.04/76,501.56 = 18,146/x
  3. Step 3: Cross multiply
    51,001.04x = 76,501.56 × 18,146
  4. Step 4: Simplify right side
    51,001.04x = 1,388,197,307.76
  5. Step 5: Solve for x
    x = 1,388,197,307.76/51,001.04
  6. Step 6: Final answer
    x = 27,219

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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.