Home / 35,776.98-53,675.02-12,403.40

Finding the Fourth Proportional to 35,776.98, 53,675.02 and 12,403.40

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Solution

The fourth proportional to 35,776.98, 53,675.02 and 12,403.40 is: 18,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,776.98 : 53,675.02 = 12,403.40 : x
  2. Step 2: Convert to fraction form
    35,776.98/53,675.02 = 12,403.40/x
  3. Step 3: Cross multiply
    35,776.98x = 53,675.02 × 12,403.40
  4. Step 4: Simplify right side
    35,776.98x = 665,752,743.07
  5. Step 5: Solve for x
    x = 665,752,743.07/35,776.98
  6. Step 6: Final answer
    x = 18,608.41

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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.