Home / 35,757.18-49,342.70-19,842.67

Finding the Fourth Proportional to 35,757.18, 49,342.70 and 19,842.67

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Solution

The fourth proportional to 35,757.18, 49,342.70 and 19,842.67 is: 27,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,757.18 : 49,342.70 = 19,842.67 : x
  2. Step 2: Convert to fraction form
    35,757.18/49,342.70 = 19,842.67/x
  3. Step 3: Cross multiply
    35,757.18x = 49,342.70 × 19,842.67
  4. Step 4: Simplify right side
    35,757.18x = 979,091,024.29
  5. Step 5: Solve for x
    x = 979,091,024.29/35,757.18
  6. Step 6: Final answer
    x = 27,381.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.