Home / 30,917.43-42,666.06-17,488.41

Finding the Fourth Proportional to 30,917.43, 42,666.06 and 17,488.41

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Solution

The fourth proportional to 30,917.43, 42,666.06 and 17,488.41 is: 24,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,917.43 : 42,666.06 = 17,488.41 : x
  2. Step 2: Convert to fraction form
    30,917.43/42,666.06 = 17,488.41/x
  3. Step 3: Cross multiply
    30,917.43x = 42,666.06 × 17,488.41
  4. Step 4: Simplify right side
    30,917.43x = 746,161,550.36
  5. Step 5: Solve for x
    x = 746,161,550.36/30,917.43
  6. Step 6: Final answer
    x = 24,134.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.