Home / 51,538.08-77,282.67-19,962.93

Finding the Fourth Proportional to 51,538.08, 77,282.67 and 19,962.93

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Solution

The fourth proportional to 51,538.08, 77,282.67 and 19,962.93 is: 29,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,538.08 : 77,282.67 = 19,962.93 : x
  2. Step 2: Convert to fraction form
    51,538.08/77,282.67 = 19,962.93/x
  3. Step 3: Cross multiply
    51,538.08x = 77,282.67 × 19,962.93
  4. Step 4: Simplify right side
    51,538.08x = 1,542,788,531.42
  5. Step 5: Solve for x
    x = 1,542,788,531.42/51,538.08
  6. Step 6: Final answer
    x = 29,934.92

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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.