Home / 51,726.73-77,588.56-14,289.05

Finding the Fourth Proportional to 51,726.73, 77,588.56 and 14,289.05

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Solution

The fourth proportional to 51,726.73, 77,588.56 and 14,289.05 is: 21,433.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,726.73 : 77,588.56 = 14,289.05 : x
  2. Step 2: Convert to fraction form
    51,726.73/77,588.56 = 14,289.05/x
  3. Step 3: Cross multiply
    51,726.73x = 77,588.56 × 14,289.05
  4. Step 4: Simplify right side
    51,726.73x = 1,108,666,971.52
  5. Step 5: Solve for x
    x = 1,108,666,971.52/51,726.73
  6. Step 6: Final answer
    x = 21,433.16

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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.