Home / 52,610.16-78,915.24-19,315.82

Finding the Fourth Proportional to 52,610.16, 78,915.24 and 19,315.82

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Solution

The fourth proportional to 52,610.16, 78,915.24 and 19,315.82 is: 28,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,610.16 : 78,915.24 = 19,315.82 : x
  2. Step 2: Convert to fraction form
    52,610.16/78,915.24 = 19,315.82/x
  3. Step 3: Cross multiply
    52,610.16x = 78,915.24 × 19,315.82
  4. Step 4: Simplify right side
    52,610.16x = 1,524,312,775.89
  5. Step 5: Solve for x
    x = 1,524,312,775.89/52,610.16
  6. Step 6: Final answer
    x = 28,973.73

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1.5x scale

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.