Home / 42,076.92-63,146.64-19,897.08

Finding the Fourth Proportional to 42,076.92, 63,146.64 and 19,897.08

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Solution

The fourth proportional to 42,076.92, 63,146.64 and 19,897.08 is: 29,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,076.92 : 63,146.64 = 19,897.08 : x
  2. Step 2: Convert to fraction form
    42,076.92/63,146.64 = 19,897.08/x
  3. Step 3: Cross multiply
    42,076.92x = 63,146.64 × 19,897.08
  4. Step 4: Simplify right side
    42,076.92x = 1,256,433,747.81
  5. Step 5: Solve for x
    x = 1,256,433,747.81/42,076.92
  6. Step 6: Final answer
    x = 29,860.40

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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.