Home / 30,592.20-42,214.74-17,161.58

Finding the Fourth Proportional to 30,592.20, 42,214.74 and 17,161.58

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Solution

The fourth proportional to 30,592.20, 42,214.74 and 17,161.58 is: 23,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592.20 : 42,214.74 = 17,161.58 : x
  2. Step 2: Convert to fraction form
    30,592.20/42,214.74 = 17,161.58/x
  3. Step 3: Cross multiply
    30,592.20x = 42,214.74 × 17,161.58
  4. Step 4: Simplify right side
    30,592.20x = 724,471,637.69
  5. Step 5: Solve for x
    x = 724,471,637.69/30,592.20
  6. Step 6: Final answer
    x = 23,681.58

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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.