Home / 68,946.64-103,407.63-18,345.94

Finding the Fourth Proportional to 68,946.64, 103,407.63 and 18,345.94

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Solution

The fourth proportional to 68,946.64, 103,407.63 and 18,345.94 is: 27,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,946.64 : 103,407.63 = 18,345.94 : x
  2. Step 2: Convert to fraction form
    68,946.64/103,407.63 = 18,345.94/x
  3. Step 3: Cross multiply
    68,946.64x = 103,407.63 × 18,345.94
  4. Step 4: Simplify right side
    68,946.64x = 1,897,109,848.21
  5. Step 5: Solve for x
    x = 1,897,109,848.21/68,946.64
  6. Step 6: Final answer
    x = 27,515.63

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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.