Home / 30,637.64-45,927.73-11,929.68

Finding the Fourth Proportional to 30,637.64, 45,927.73 and 11,929.68

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Solution

The fourth proportional to 30,637.64, 45,927.73 and 11,929.68 is: 17,883.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,637.64 : 45,927.73 = 11,929.68 : x
  2. Step 2: Convert to fraction form
    30,637.64/45,927.73 = 11,929.68/x
  3. Step 3: Cross multiply
    30,637.64x = 45,927.73 × 11,929.68
  4. Step 4: Simplify right side
    30,637.64x = 547,903,122.03
  5. Step 5: Solve for x
    x = 547,903,122.03/30,637.64
  6. Step 6: Final answer
    x = 17,883.33

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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.