Home / 48,905.99-67,490.54-28,763.72

Finding the Fourth Proportional to 48,905.99, 67,490.54 and 28,763.72

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Solution

The fourth proportional to 48,905.99, 67,490.54 and 28,763.72 is: 39,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,905.99 : 67,490.54 = 28,763.72 : x
  2. Step 2: Convert to fraction form
    48,905.99/67,490.54 = 28,763.72/x
  3. Step 3: Cross multiply
    48,905.99x = 67,490.54 × 28,763.72
  4. Step 4: Simplify right side
    48,905.99x = 1,941,278,729.67
  5. Step 5: Solve for x
    x = 1,941,278,729.67/48,905.99
  6. Step 6: Final answer
    x = 39,694.09

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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.