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Finding the Fourth Proportional to 61,456.36, 84,809.84 and 34,599.08

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Solution

The fourth proportional to 61,456.36, 84,809.84 and 34,599.08 is: 47,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,456.36 : 84,809.84 = 34,599.08 : x
  2. Step 2: Convert to fraction form
    61,456.36/84,809.84 = 34,599.08/x
  3. Step 3: Cross multiply
    61,456.36x = 84,809.84 × 34,599.08
  4. Step 4: Simplify right side
    61,456.36x = 2,934,342,438.95
  5. Step 5: Solve for x
    x = 2,934,342,438.95/61,456.36
  6. Step 6: Final answer
    x = 47,746.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.