Home / 37,765.61-56,623.57-21,127.40

Finding the Fourth Proportional to 37,765.61, 56,623.57 and 21,127.40

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Solution

The fourth proportional to 37,765.61, 56,623.57 and 21,127.40 is: 31,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,765.61 : 56,623.57 = 21,127.40 : x
  2. Step 2: Convert to fraction form
    37,765.61/56,623.57 = 21,127.40/x
  3. Step 3: Cross multiply
    37,765.61x = 56,623.57 × 21,127.40
  4. Step 4: Simplify right side
    37,765.61x = 1,196,308,476.88
  5. Step 5: Solve for x
    x = 1,196,308,476.88/37,765.61
  6. Step 6: Final answer
    x = 31,677.20

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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.