Home / 35,187.20-48,546.30-20,068.95

Finding the Fourth Proportional to 35,187.20, 48,546.30 and 20,068.95

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Solution

The fourth proportional to 35,187.20, 48,546.30 and 20,068.95 is: 27,688.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,187.20 : 48,546.30 = 20,068.95 : x
  2. Step 2: Convert to fraction form
    35,187.20/48,546.30 = 20,068.95/x
  3. Step 3: Cross multiply
    35,187.20x = 48,546.30 × 20,068.95
  4. Step 4: Simplify right side
    35,187.20x = 974,273,267.39
  5. Step 5: Solve for x
    x = 974,273,267.39/35,187.20
  6. Step 6: Final answer
    x = 27,688.29

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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.