Home / 35,521.12-53,264.40-20,734.84

Finding the Fourth Proportional to 35,521.12, 53,264.40 and 20,734.84

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Solution

The fourth proportional to 35,521.12, 53,264.40 and 20,734.84 is: 31,092.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,521.12 : 53,264.40 = 20,734.84 : x
  2. Step 2: Convert to fraction form
    35,521.12/53,264.40 = 20,734.84/x
  3. Step 3: Cross multiply
    35,521.12x = 53,264.40 × 20,734.84
  4. Step 4: Simplify right side
    35,521.12x = 1,104,428,811.70
  5. Step 5: Solve for x
    x = 1,104,428,811.70/35,521.12
  6. Step 6: Final answer
    x = 31,092.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.