Home / 30,008.43-41,412.49-16,580.57

Finding the Fourth Proportional to 30,008.43, 41,412.49 and 16,580.57

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Solution

The fourth proportional to 30,008.43, 41,412.49 and 16,580.57 is: 22,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.43 : 41,412.49 = 16,580.57 : x
  2. Step 2: Convert to fraction form
    30,008.43/41,412.49 = 16,580.57/x
  3. Step 3: Cross multiply
    30,008.43x = 41,412.49 × 16,580.57
  4. Step 4: Simplify right side
    30,008.43x = 686,642,440.81
  5. Step 5: Solve for x
    x = 686,642,440.81/30,008.43
  6. Step 6: Final answer
    x = 22,881.65

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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.