Home / 35,712.18-49,269.66-21,372.34

Finding the Fourth Proportional to 35,712.18, 49,269.66 and 21,372.34

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Solution

The fourth proportional to 35,712.18, 49,269.66 and 21,372.34 is: 29,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,712.18 : 49,269.66 = 21,372.34 : x
  2. Step 2: Convert to fraction form
    35,712.18/49,269.66 = 21,372.34/x
  3. Step 3: Cross multiply
    35,712.18x = 49,269.66 × 21,372.34
  4. Step 4: Simplify right side
    35,712.18x = 1,053,007,925.20
  5. Step 5: Solve for x
    x = 1,053,007,925.20/35,712.18
  6. Step 6: Final answer
    x = 29,485.96

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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.