Home / 35,941.64-53,917.75-10,978.40

Finding the Fourth Proportional to 35,941.64, 53,917.75 and 10,978.40

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Solution

The fourth proportional to 35,941.64, 53,917.75 and 10,978.40 is: 16,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,941.64 : 53,917.75 = 10,978.40 : x
  2. Step 2: Convert to fraction form
    35,941.64/53,917.75 = 10,978.40/x
  3. Step 3: Cross multiply
    35,941.64x = 53,917.75 × 10,978.40
  4. Step 4: Simplify right side
    35,941.64x = 591,930,547.65
  5. Step 5: Solve for x
    x = 591,930,547.65/35,941.64
  6. Step 6: Final answer
    x = 16,469.22

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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.