Home / 45,745.16-63,129.51-25,605.50

Finding the Fourth Proportional to 45,745.16, 63,129.51 and 25,605.50

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Solution

The fourth proportional to 45,745.16, 63,129.51 and 25,605.50 is: 35,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,745.16 : 63,129.51 = 25,605.50 : x
  2. Step 2: Convert to fraction form
    45,745.16/63,129.51 = 25,605.50/x
  3. Step 3: Cross multiply
    45,745.16x = 63,129.51 × 25,605.50
  4. Step 4: Simplify right side
    45,745.16x = 1,616,462,352.66
  5. Step 5: Solve for x
    x = 1,616,462,352.66/45,745.16
  6. Step 6: Final answer
    x = 35,336.25

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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.