Home / 48,393.30-72,555.63-18,786.18

Finding the Fourth Proportional to 48,393.30, 72,555.63 and 18,786.18

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Solution

The fourth proportional to 48,393.30, 72,555.63 and 18,786.18 is: 28,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,393.30 : 72,555.63 = 18,786.18 : x
  2. Step 2: Convert to fraction form
    48,393.30/72,555.63 = 18,786.18/x
  3. Step 3: Cross multiply
    48,393.30x = 72,555.63 × 18,786.18
  4. Step 4: Simplify right side
    48,393.30x = 1,363,043,125.19
  5. Step 5: Solve for x
    x = 1,363,043,125.19/48,393.30
  6. Step 6: Final answer
    x = 28,165.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.