Home / 45,949.43-63,402.77-28,719.77

Finding the Fourth Proportional to 45,949.43, 63,402.77 and 28,719.77

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Solution

The fourth proportional to 45,949.43, 63,402.77 and 28,719.77 is: 39,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,949.43 : 63,402.77 = 28,719.77 : x
  2. Step 2: Convert to fraction form
    45,949.43/63,402.77 = 28,719.77/x
  3. Step 3: Cross multiply
    45,949.43x = 63,402.77 × 28,719.77
  4. Step 4: Simplify right side
    45,949.43x = 1,820,912,726.55
  5. Step 5: Solve for x
    x = 1,820,912,726.55/45,949.43
  6. Step 6: Final answer
    x = 39,628.62

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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.