Home / 35,292.99-48,705.92-21,145.53

Finding the Fourth Proportional to 35,292.99, 48,705.92 and 21,145.53

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Solution

The fourth proportional to 35,292.99, 48,705.92 and 21,145.53 is: 29,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,292.99 : 48,705.92 = 21,145.53 : x
  2. Step 2: Convert to fraction form
    35,292.99/48,705.92 = 21,145.53/x
  3. Step 3: Cross multiply
    35,292.99x = 48,705.92 × 21,145.53
  4. Step 4: Simplify right side
    35,292.99x = 1,029,912,386.81
  5. Step 5: Solve for x
    x = 1,029,912,386.81/35,292.99
  6. Step 6: Final answer
    x = 29,181.78

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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.