Home / 35,915.11-53,854.63-20,927.07

Finding the Fourth Proportional to 35,915.11, 53,854.63 and 20,927.07

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Solution

The fourth proportional to 35,915.11, 53,854.63 and 20,927.07 is: 31,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.11 : 53,854.63 = 20,927.07 : x
  2. Step 2: Convert to fraction form
    35,915.11/53,854.63 = 20,927.07/x
  3. Step 3: Cross multiply
    35,915.11x = 53,854.63 × 20,927.07
  4. Step 4: Simplify right side
    35,915.11x = 1,127,019,611.83
  5. Step 5: Solve for x
    x = 1,127,019,611.83/35,915.11
  6. Step 6: Final answer
    x = 31,380.10

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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.