Home / 35,385.17-48,832.70-20,280.73

Finding the Fourth Proportional to 35,385.17, 48,832.70 and 20,280.73

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Solution

The fourth proportional to 35,385.17, 48,832.70 and 20,280.73 is: 27,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,385.17 : 48,832.70 = 20,280.73 : x
  2. Step 2: Convert to fraction form
    35,385.17/48,832.70 = 20,280.73/x
  3. Step 3: Cross multiply
    35,385.17x = 48,832.70 × 20,280.73
  4. Step 4: Simplify right side
    35,385.17x = 990,362,803.87
  5. Step 5: Solve for x
    x = 990,362,803.87/35,385.17
  6. Step 6: Final answer
    x = 27,988.08

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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.