Home / 52,490.14-72,436.62-33,638.20

Finding the Fourth Proportional to 52,490.14, 72,436.62 and 33,638.20

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Solution

The fourth proportional to 52,490.14, 72,436.62 and 33,638.20 is: 46,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,490.14 : 72,436.62 = 33,638.20 : x
  2. Step 2: Convert to fraction form
    52,490.14/72,436.62 = 33,638.20/x
  3. Step 3: Cross multiply
    52,490.14x = 72,436.62 × 33,638.20
  4. Step 4: Simplify right side
    52,490.14x = 2,436,637,510.88
  5. Step 5: Solve for x
    x = 2,436,637,510.88/52,490.14
  6. Step 6: Final answer
    x = 46,420.86

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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.