Home / 31,123.57-46,673.90-11,127.67

Finding the Fourth Proportional to 31,123.57, 46,673.90 and 11,127.67

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Solution

The fourth proportional to 31,123.57, 46,673.90 and 11,127.67 is: 16,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,123.57 : 46,673.90 = 11,127.67 : x
  2. Step 2: Convert to fraction form
    31,123.57/46,673.90 = 11,127.67/x
  3. Step 3: Cross multiply
    31,123.57x = 46,673.90 × 11,127.67
  4. Step 4: Simplify right side
    31,123.57x = 519,371,895.06
  5. Step 5: Solve for x
    x = 519,371,895.06/31,123.57
  6. Step 6: Final answer
    x = 16,687.41

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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.