Home / 30,461.04-42,028.56-17,883.36

Finding the Fourth Proportional to 30,461.04, 42,028.56 and 17,883.36

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Solution

The fourth proportional to 30,461.04, 42,028.56 and 17,883.36 is: 24,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,461.04 : 42,028.56 = 17,883.36 : x
  2. Step 2: Convert to fraction form
    30,461.04/42,028.56 = 17,883.36/x
  3. Step 3: Cross multiply
    30,461.04x = 42,028.56 × 17,883.36
  4. Step 4: Simplify right side
    30,461.04x = 751,611,868.76
  5. Step 5: Solve for x
    x = 751,611,868.76/30,461.04
  6. Step 6: Final answer
    x = 24,674.53

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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.