Home / 35,245.89-48,639.95-19,330.20

Finding the Fourth Proportional to 35,245.89, 48,639.95 and 19,330.20

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Solution

The fourth proportional to 35,245.89, 48,639.95 and 19,330.20 is: 26,676.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,245.89 : 48,639.95 = 19,330.20 : x
  2. Step 2: Convert to fraction form
    35,245.89/48,639.95 = 19,330.20/x
  3. Step 3: Cross multiply
    35,245.89x = 48,639.95 × 19,330.20
  4. Step 4: Simplify right side
    35,245.89x = 940,219,961.49
  5. Step 5: Solve for x
    x = 940,219,961.49/35,245.89
  6. Step 6: Final answer
    x = 26,676.02

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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.