Home / 39,784.88-59,641.68-16,396.40

Finding the Fourth Proportional to 39,784.88, 59,641.68 and 16,396.40

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Solution

The fourth proportional to 39,784.88, 59,641.68 and 16,396.40 is: 24,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,784.88 : 59,641.68 = 16,396.40 : x
  2. Step 2: Convert to fraction form
    39,784.88/59,641.68 = 16,396.40/x
  3. Step 3: Cross multiply
    39,784.88x = 59,641.68 × 16,396.40
  4. Step 4: Simplify right side
    39,784.88x = 977,908,841.95
  5. Step 5: Solve for x
    x = 977,908,841.95/39,784.88
  6. Step 6: Final answer
    x = 24,579.91

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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.