Home / 45,538.17-68,657.64-44,721.69

Finding the Fourth Proportional to 45,538.17, 68,657.64 and 44,721.69

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Solution

The fourth proportional to 45,538.17, 68,657.64 and 44,721.69 is: 67,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,538.17 : 68,657.64 = 44,721.69 : x
  2. Step 2: Convert to fraction form
    45,538.17/68,657.64 = 44,721.69/x
  3. Step 3: Cross multiply
    45,538.17x = 68,657.64 × 44,721.69
  4. Step 4: Simplify right side
    45,538.17x = 3,070,485,692.21
  5. Step 5: Solve for x
    x = 3,070,485,692.21/45,538.17
  6. Step 6: Final answer
    x = 67,426.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.