Home / 39,764.72-59,655.29-13,468.78

Finding the Fourth Proportional to 39,764.72, 59,655.29 and 13,468.78

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Solution

The fourth proportional to 39,764.72, 59,655.29 and 13,468.78 is: 20,205.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,764.72 : 59,655.29 = 13,468.78 : x
  2. Step 2: Convert to fraction form
    39,764.72/59,655.29 = 13,468.78/x
  3. Step 3: Cross multiply
    39,764.72x = 59,655.29 × 13,468.78
  4. Step 4: Simplify right side
    39,764.72x = 803,483,984.07
  5. Step 5: Solve for x
    x = 803,483,984.07/39,764.72
  6. Step 6: Final answer
    x = 20,205.95

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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.