Home / 39,701.16-59,548.05-13,406.13

Finding the Fourth Proportional to 39,701.16, 59,548.05 and 13,406.13

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Solution

The fourth proportional to 39,701.16, 59,548.05 and 13,406.13 is: 20,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,701.16 : 59,548.05 = 13,406.13 : x
  2. Step 2: Convert to fraction form
    39,701.16/59,548.05 = 13,406.13/x
  3. Step 3: Cross multiply
    39,701.16x = 59,548.05 × 13,406.13
  4. Step 4: Simplify right side
    39,701.16x = 798,308,899.55
  5. Step 5: Solve for x
    x = 798,308,899.55/39,701.16
  6. Step 6: Final answer
    x = 20,107.95

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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.