Home / 35,939.70-53,917.65-10,980.90

Finding the Fourth Proportional to 35,939.70, 53,917.65 and 10,980.90

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Solution

The fourth proportional to 35,939.70, 53,917.65 and 10,980.90 is: 16,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,939.70 : 53,917.65 = 10,980.90 : x
  2. Step 2: Convert to fraction form
    35,939.70/53,917.65 = 10,980.90/x
  3. Step 3: Cross multiply
    35,939.70x = 53,917.65 × 10,980.90
  4. Step 4: Simplify right side
    35,939.70x = 592,064,322.89
  5. Step 5: Solve for x
    x = 592,064,322.89/35,939.70
  6. Step 6: Final answer
    x = 16,473.82

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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.