Home / 45,605.84-62,937.12-28,610.80

Finding the Fourth Proportional to 45,605.84, 62,937.12 and 28,610.80

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Solution

The fourth proportional to 45,605.84, 62,937.12 and 28,610.80 is: 39,483.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,605.84 : 62,937.12 = 28,610.80 : x
  2. Step 2: Convert to fraction form
    45,605.84/62,937.12 = 28,610.80/x
  3. Step 3: Cross multiply
    45,605.84x = 62,937.12 × 28,610.80
  4. Step 4: Simplify right side
    45,605.84x = 1,800,681,352.90
  5. Step 5: Solve for x
    x = 1,800,681,352.90/45,605.84
  6. Step 6: Final answer
    x = 39,483.57

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1.5x scale

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.