Home / 31,629.24-47,407.32-11,895.21

Finding the Fourth Proportional to 31,629.24, 47,407.32 and 11,895.21

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Solution

The fourth proportional to 31,629.24, 47,407.32 and 11,895.21 is: 17,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.24 : 47,407.32 = 11,895.21 : x
  2. Step 2: Convert to fraction form
    31,629.24/47,407.32 = 11,895.21/x
  3. Step 3: Cross multiply
    31,629.24x = 47,407.32 × 11,895.21
  4. Step 4: Simplify right side
    31,629.24x = 563,920,026.94
  5. Step 5: Solve for x
    x = 563,920,026.94/31,629.24
  6. Step 6: Final answer
    x = 17,829.07

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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.