Home / 30,669.03-42,320.88-17,237.66

Finding the Fourth Proportional to 30,669.03, 42,320.88 and 17,237.66

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Solution

The fourth proportional to 30,669.03, 42,320.88 and 17,237.66 is: 23,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669.03 : 42,320.88 = 17,237.66 : x
  2. Step 2: Convert to fraction form
    30,669.03/42,320.88 = 17,237.66/x
  3. Step 3: Cross multiply
    30,669.03x = 42,320.88 × 17,237.66
  4. Step 4: Simplify right side
    30,669.03x = 729,512,966.79
  5. Step 5: Solve for x
    x = 729,512,966.79/30,669.03
  6. Step 6: Final answer
    x = 23,786.63

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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.