Home / 30,637.53-45,964.62-11,918.30

Finding the Fourth Proportional to 30,637.53, 45,964.62 and 11,918.30

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Solution

The fourth proportional to 30,637.53, 45,964.62 and 11,918.30 is: 17,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,637.53 : 45,964.62 = 11,918.30 : x
  2. Step 2: Convert to fraction form
    30,637.53/45,964.62 = 11,918.30/x
  3. Step 3: Cross multiply
    30,637.53x = 45,964.62 × 11,918.30
  4. Step 4: Simplify right side
    30,637.53x = 547,819,900.72
  5. Step 5: Solve for x
    x = 547,819,900.72/30,637.53
  6. Step 6: Final answer
    x = 17,880.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.