Home / 31,678.34-47,484.70-26,072.78

Finding the Fourth Proportional to 31,678.34, 47,484.70 and 26,072.78

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Solution

The fourth proportional to 31,678.34, 47,484.70 and 26,072.78 is: 39,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,678.34 : 47,484.70 = 26,072.78 : x
  2. Step 2: Convert to fraction form
    31,678.34/47,484.70 = 26,072.78/x
  3. Step 3: Cross multiply
    31,678.34x = 47,484.70 × 26,072.78
  4. Step 4: Simplify right side
    31,678.34x = 1,238,058,190.00
  5. Step 5: Solve for x
    x = 1,238,058,190.00/31,678.34
  6. Step 6: Final answer
    x = 39,082.17

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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.