Home / 39,810.74-59,725.33-13,515.48

Finding the Fourth Proportional to 39,810.74, 59,725.33 and 13,515.48

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Solution

The fourth proportional to 39,810.74, 59,725.33 and 13,515.48 is: 20,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,810.74 : 59,725.33 = 13,515.48 : x
  2. Step 2: Convert to fraction form
    39,810.74/59,725.33 = 13,515.48/x
  3. Step 3: Cross multiply
    39,810.74x = 59,725.33 × 13,515.48
  4. Step 4: Simplify right side
    39,810.74x = 807,216,262.24
  5. Step 5: Solve for x
    x = 807,216,262.24/39,810.74
  6. Step 6: Final answer
    x = 20,276.35

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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.