Home / 37,450.89-56,204.82-13,780.80

Finding the Fourth Proportional to 37,450.89, 56,204.82 and 13,780.80

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Solution

The fourth proportional to 37,450.89, 56,204.82 and 13,780.80 is: 20,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,450.89 : 56,204.82 = 13,780.80 : x
  2. Step 2: Convert to fraction form
    37,450.89/56,204.82 = 13,780.80/x
  3. Step 3: Cross multiply
    37,450.89x = 56,204.82 × 13,780.80
  4. Step 4: Simplify right side
    37,450.89x = 774,547,383.46
  5. Step 5: Solve for x
    x = 774,547,383.46/37,450.89
  6. Step 6: Final answer
    x = 20,681.68

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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.