Home / 39,738.15-59,570.17-13,424.49

Finding the Fourth Proportional to 39,738.15, 59,570.17 and 13,424.49

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Solution

The fourth proportional to 39,738.15, 59,570.17 and 13,424.49 is: 20,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,738.15 : 59,570.17 = 13,424.49 : x
  2. Step 2: Convert to fraction form
    39,738.15/59,570.17 = 13,424.49/x
  3. Step 3: Cross multiply
    39,738.15x = 59,570.17 × 13,424.49
  4. Step 4: Simplify right side
    39,738.15x = 799,699,117.90
  5. Step 5: Solve for x
    x = 799,699,117.90/39,738.15
  6. Step 6: Final answer
    x = 20,124.22

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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.