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Finding the Fourth Proportional to 61,482.14, 84,848.51 and 37,601.31

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Solution

The fourth proportional to 61,482.14, 84,848.51 and 37,601.31 is: 51,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,482.14 : 84,848.51 = 37,601.31 : x
  2. Step 2: Convert to fraction form
    61,482.14/84,848.51 = 37,601.31/x
  3. Step 3: Cross multiply
    61,482.14x = 84,848.51 × 37,601.31
  4. Step 4: Simplify right side
    61,482.14x = 3,190,415,127.55
  5. Step 5: Solve for x
    x = 3,190,415,127.55/61,482.14
  6. Step 6: Final answer
    x = 51,891.74

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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.