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Finding the Fourth Proportional to 61,490.26, 92,118.72 and 36,477.46

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Solution

The fourth proportional to 61,490.26, 92,118.72 and 36,477.46 is: 54,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,490.26 : 92,118.72 = 36,477.46 : x
  2. Step 2: Convert to fraction form
    61,490.26/92,118.72 = 36,477.46/x
  3. Step 3: Cross multiply
    61,490.26x = 92,118.72 × 36,477.46
  4. Step 4: Simplify right side
    61,490.26x = 3,360,256,924.05
  5. Step 5: Solve for x
    x = 3,360,256,924.05/61,490.26
  6. Step 6: Final answer
    x = 54,646.98

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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.