Home / 51,320.55-76,985.19-18,037.74

Finding the Fourth Proportional to 51,320.55, 76,985.19 and 18,037.74

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Solution

The fourth proportional to 51,320.55, 76,985.19 and 18,037.74 is: 27,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,320.55 : 76,985.19 = 18,037.74 : x
  2. Step 2: Convert to fraction form
    51,320.55/76,985.19 = 18,037.74/x
  3. Step 3: Cross multiply
    51,320.55x = 76,985.19 × 18,037.74
  4. Step 4: Simplify right side
    51,320.55x = 1,388,638,841.07
  5. Step 5: Solve for x
    x = 1,388,638,841.07/51,320.55
  6. Step 6: Final answer
    x = 27,058.14

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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.