Home / 31,850.32-47,775.40-14,334.88

Finding the Fourth Proportional to 31,850.32, 47,775.40 and 14,334.88

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Solution

The fourth proportional to 31,850.32, 47,775.40 and 14,334.88 is: 21,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,850.32 : 47,775.40 = 14,334.88 : x
  2. Step 2: Convert to fraction form
    31,850.32/47,775.40 = 14,334.88/x
  3. Step 3: Cross multiply
    31,850.32x = 47,775.40 × 14,334.88
  4. Step 4: Simplify right side
    31,850.32x = 684,854,625.95
  5. Step 5: Solve for x
    x = 684,854,625.95/31,850.32
  6. Step 6: Final answer
    x = 21,502.28

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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.