Home / 43,356.72-64,995.65-16,685.70

Finding the Fourth Proportional to 43,356.72, 64,995.65 and 16,685.70

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Solution

The fourth proportional to 43,356.72, 64,995.65 and 16,685.70 is: 25,013.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356.72 : 64,995.65 = 16,685.70 : x
  2. Step 2: Convert to fraction form
    43,356.72/64,995.65 = 16,685.70/x
  3. Step 3: Cross multiply
    43,356.72x = 64,995.65 × 16,685.70
  4. Step 4: Simplify right side
    43,356.72x = 1,084,497,917.21
  5. Step 5: Solve for x
    x = 1,084,497,917.21/43,356.72
  6. Step 6: Final answer
    x = 25,013.38

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1.5x scale

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.