Home / 37,011.51-55,428.30-21,168.52

Finding the Fourth Proportional to 37,011.51, 55,428.30 and 21,168.52

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Solution

The fourth proportional to 37,011.51, 55,428.30 and 21,168.52 is: 31,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,011.51 : 55,428.30 = 21,168.52 : x
  2. Step 2: Convert to fraction form
    37,011.51/55,428.30 = 21,168.52/x
  3. Step 3: Cross multiply
    37,011.51x = 55,428.30 × 21,168.52
  4. Step 4: Simplify right side
    37,011.51x = 1,173,334,938.55
  5. Step 5: Solve for x
    x = 1,173,334,938.55/37,011.51
  6. Step 6: Final answer
    x = 31,701.89

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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.