Home / 35,679.45-49,235.94-20,572.95

Finding the Fourth Proportional to 35,679.45, 49,235.94 and 20,572.95

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Solution

The fourth proportional to 35,679.45, 49,235.94 and 20,572.95 is: 28,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,679.45 : 49,235.94 = 20,572.95 : x
  2. Step 2: Convert to fraction form
    35,679.45/49,235.94 = 20,572.95/x
  3. Step 3: Cross multiply
    35,679.45x = 49,235.94 × 20,572.95
  4. Step 4: Simplify right side
    35,679.45x = 1,012,928,531.82
  5. Step 5: Solve for x
    x = 1,012,928,531.82/35,679.45
  6. Step 6: Final answer
    x = 28,389.69

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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.