Home / 35,431.98-53,148.10-14,372.40

Finding the Fourth Proportional to 35,431.98, 53,148.10 and 14,372.40

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Solution

The fourth proportional to 35,431.98, 53,148.10 and 14,372.40 is: 21,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.98 : 53,148.10 = 14,372.40 : x
  2. Step 2: Convert to fraction form
    35,431.98/53,148.10 = 14,372.40/x
  3. Step 3: Cross multiply
    35,431.98x = 53,148.10 × 14,372.40
  4. Step 4: Simplify right side
    35,431.98x = 763,865,752.44
  5. Step 5: Solve for x
    x = 763,865,752.44/35,431.98
  6. Step 6: Final answer
    x = 21,558.65

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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.