Home / 30,526.98-42,122.33-17,098.80

Finding the Fourth Proportional to 30,526.98, 42,122.33 and 17,098.80

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Solution

The fourth proportional to 30,526.98, 42,122.33 and 17,098.80 is: 23,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,526.98 : 42,122.33 = 17,098.80 : x
  2. Step 2: Convert to fraction form
    30,526.98/42,122.33 = 17,098.80/x
  3. Step 3: Cross multiply
    30,526.98x = 42,122.33 × 17,098.80
  4. Step 4: Simplify right side
    30,526.98x = 720,241,116.87
  5. Step 5: Solve for x
    x = 720,241,116.87/30,526.98
  6. Step 6: Final answer
    x = 23,593.60

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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.