Home / 35,381.32-53,080.18-15,660.05

Finding the Fourth Proportional to 35,381.32, 53,080.18 and 15,660.05

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Solution

The fourth proportional to 35,381.32, 53,080.18 and 15,660.05 is: 23,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,381.32 : 53,080.18 = 15,660.05 : x
  2. Step 2: Convert to fraction form
    35,381.32/53,080.18 = 15,660.05/x
  3. Step 3: Cross multiply
    35,381.32x = 53,080.18 × 15,660.05
  4. Step 4: Simplify right side
    35,381.32x = 831,237,968.26
  5. Step 5: Solve for x
    x = 831,237,968.26/35,381.32
  6. Step 6: Final answer
    x = 23,493.70

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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.