Home / 37,387.98-56,091.49-12,428.17

Finding the Fourth Proportional to 37,387.98, 56,091.49 and 12,428.17

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Solution

The fourth proportional to 37,387.98, 56,091.49 and 12,428.17 is: 18,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,387.98 : 56,091.49 = 12,428.17 : x
  2. Step 2: Convert to fraction form
    37,387.98/56,091.49 = 12,428.17/x
  3. Step 3: Cross multiply
    37,387.98x = 56,091.49 × 12,428.17
  4. Step 4: Simplify right side
    37,387.98x = 697,114,401.97
  5. Step 5: Solve for x
    x = 697,114,401.97/37,387.98
  6. Step 6: Final answer
    x = 18,645.41

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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.