Home / 30,075.05-41,502.08-17,154.83

Finding the Fourth Proportional to 30,075.05, 41,502.08 and 17,154.83

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Solution

The fourth proportional to 30,075.05, 41,502.08 and 17,154.83 is: 23,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075.05 : 41,502.08 = 17,154.83 : x
  2. Step 2: Convert to fraction form
    30,075.05/41,502.08 = 17,154.83/x
  3. Step 3: Cross multiply
    30,075.05x = 41,502.08 × 17,154.83
  4. Step 4: Simplify right side
    30,075.05x = 711,960,833.76
  5. Step 5: Solve for x
    x = 711,960,833.76/30,075.05
  6. Step 6: Final answer
    x = 23,672.81

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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.