Home / 30,588.16-42,208.82-17,156.79

Finding the Fourth Proportional to 30,588.16, 42,208.82 and 17,156.79

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Solution

The fourth proportional to 30,588.16, 42,208.82 and 17,156.79 is: 23,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.16 : 42,208.82 = 17,156.79 : x
  2. Step 2: Convert to fraction form
    30,588.16/42,208.82 = 17,156.79/x
  3. Step 3: Cross multiply
    30,588.16x = 42,208.82 × 17,156.79
  4. Step 4: Simplify right side
    30,588.16x = 724,167,660.41
  5. Step 5: Solve for x
    x = 724,167,660.41/30,588.16
  6. Step 6: Final answer
    x = 23,674.77

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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.