Home / 35,915.24-53,798.70-21,079.52

Finding the Fourth Proportional to 35,915.24, 53,798.70 and 21,079.52

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Solution

The fourth proportional to 35,915.24, 53,798.70 and 21,079.52 is: 31,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.24 : 53,798.70 = 21,079.52 : x
  2. Step 2: Convert to fraction form
    35,915.24/53,798.70 = 21,079.52/x
  3. Step 3: Cross multiply
    35,915.24x = 53,798.70 × 21,079.52
  4. Step 4: Simplify right side
    35,915.24x = 1,134,050,772.62
  5. Step 5: Solve for x
    x = 1,134,050,772.62/35,915.24
  6. Step 6: Final answer
    x = 31,575.75

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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.