Home / 31,459.64-43,415.50-18,033.50

Finding the Fourth Proportional to 31,459.64, 43,415.50 and 18,033.50

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Solution

The fourth proportional to 31,459.64, 43,415.50 and 18,033.50 is: 24,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.64 : 43,415.50 = 18,033.50 : x
  2. Step 2: Convert to fraction form
    31,459.64/43,415.50 = 18,033.50/x
  3. Step 3: Cross multiply
    31,459.64x = 43,415.50 × 18,033.50
  4. Step 4: Simplify right side
    31,459.64x = 782,933,419.25
  5. Step 5: Solve for x
    x = 782,933,419.25/31,459.64
  6. Step 6: Final answer
    x = 24,886.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.