Home / 42,431.25-63,646.88-14,729.25

Finding the Fourth Proportional to 42,431.25, 63,646.88 and 14,729.25

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Solution

The fourth proportional to 42,431.25, 63,646.88 and 14,729.25 is: 22,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,431.25 : 63,646.88 = 14,729.25 : x
  2. Step 2: Convert to fraction form
    42,431.25/63,646.88 = 14,729.25/x
  3. Step 3: Cross multiply
    42,431.25x = 63,646.88 × 14,729.25
  4. Step 4: Simplify right side
    42,431.25x = 937,470,733.59
  5. Step 5: Solve for x
    x = 937,470,733.59/42,431.25
  6. Step 6: Final answer
    x = 22,093.88

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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.