Home / 35,479.37-53,190.19-13,280.30

Finding the Fourth Proportional to 35,479.37, 53,190.19 and 13,280.30

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Solution

The fourth proportional to 35,479.37, 53,190.19 and 13,280.30 is: 19,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.37 : 53,190.19 = 13,280.30 : x
  2. Step 2: Convert to fraction form
    35,479.37/53,190.19 = 13,280.30/x
  3. Step 3: Cross multiply
    35,479.37x = 53,190.19 × 13,280.30
  4. Step 4: Simplify right side
    35,479.37x = 706,381,780.03
  5. Step 5: Solve for x
    x = 706,381,780.03/35,479.37
  6. Step 6: Final answer
    x = 19,909.65

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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.