Home / 30,666.01-42,320.29-17,237.22

Finding the Fourth Proportional to 30,666.01, 42,320.29 and 17,237.22

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Solution

The fourth proportional to 30,666.01, 42,320.29 and 17,237.22 is: 23,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,666.01 : 42,320.29 = 17,237.22 : x
  2. Step 2: Convert to fraction form
    30,666.01/42,320.29 = 17,237.22/x
  3. Step 3: Cross multiply
    30,666.01x = 42,320.29 × 17,237.22
  4. Step 4: Simplify right side
    30,666.01x = 729,484,063.01
  5. Step 5: Solve for x
    x = 729,484,063.01/30,666.01
  6. Step 6: Final answer
    x = 23,788.04

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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.