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Finding the Fourth Proportional to 47,062.08, 70,603.92 and 19,360.08

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Solution

The fourth proportional to 47,062.08, 70,603.92 and 19,360.08 is: 29,044.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,062.08 : 70,603.92 = 19,360.08 : x
  2. Step 2: Convert to fraction form
    47,062.08/70,603.92 = 19,360.08/x
  3. Step 3: Cross multiply
    47,062.08x = 70,603.92 × 19,360.08
  4. Step 4: Simplify right side
    47,062.08x = 1,366,897,539.51
  5. Step 5: Solve for x
    x = 1,366,897,539.51/47,062.08
  6. Step 6: Final answer
    x = 29,044.56

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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.