Home / 36,948.84-55,428.48-11,980.50

Finding the Fourth Proportional to 36,948.84, 55,428.48 and 11,980.50

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Solution

The fourth proportional to 36,948.84, 55,428.48 and 11,980.50 is: 17,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,948.84 : 55,428.48 = 11,980.50 : x
  2. Step 2: Convert to fraction form
    36,948.84/55,428.48 = 11,980.50/x
  3. Step 3: Cross multiply
    36,948.84x = 55,428.48 × 11,980.50
  4. Step 4: Simplify right side
    36,948.84x = 664,060,904.64
  5. Step 5: Solve for x
    x = 664,060,904.64/36,948.84
  6. Step 6: Final answer
    x = 17,972.44

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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.