Home / 31,120.88-46,666.67-11,385.63

Finding the Fourth Proportional to 31,120.88, 46,666.67 and 11,385.63

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Solution

The fourth proportional to 31,120.88, 46,666.67 and 11,385.63 is: 17,073.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,120.88 : 46,666.67 = 11,385.63 : x
  2. Step 2: Convert to fraction form
    31,120.88/46,666.67 = 11,385.63/x
  3. Step 3: Cross multiply
    31,120.88x = 46,666.67 × 11,385.63
  4. Step 4: Simplify right side
    31,120.88x = 531,329,381.02
  5. Step 5: Solve for x
    x = 531,329,381.02/31,120.88
  6. Step 6: Final answer
    x = 17,073.09

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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.