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Finding the Fourth Proportional to 56,495.62, 84,742.82 and 13,801.43

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Solution

The fourth proportional to 56,495.62, 84,742.82 and 13,801.43 is: 20,702.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,495.62 : 84,742.82 = 13,801.43 : x
  2. Step 2: Convert to fraction form
    56,495.62/84,742.82 = 13,801.43/x
  3. Step 3: Cross multiply
    56,495.62x = 84,742.82 × 13,801.43
  4. Step 4: Simplify right side
    56,495.62x = 1,169,572,241.08
  5. Step 5: Solve for x
    x = 1,169,572,241.08/56,495.62
  6. Step 6: Final answer
    x = 20,702.00

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1.5x scale

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.