Home / 31,128.00-46,691.84-14,478.85

Finding the Fourth Proportional to 31,128.00, 46,691.84 and 14,478.85

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Solution

The fourth proportional to 31,128.00, 46,691.84 and 14,478.85 is: 21,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,128.00 : 46,691.84 = 14,478.85 : x
  2. Step 2: Convert to fraction form
    31,128.00/46,691.84 = 14,478.85/x
  3. Step 3: Cross multiply
    31,128.00x = 46,691.84 × 14,478.85
  4. Step 4: Simplify right side
    31,128.00x = 676,044,242.15
  5. Step 5: Solve for x
    x = 676,044,242.15/31,128.00
  6. Step 6: Final answer
    x = 21,718.21

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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.