Home / 31,459.41-43,415.77-18,032.89

Finding the Fourth Proportional to 31,459.41, 43,415.77 and 18,032.89

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Solution

The fourth proportional to 31,459.41, 43,415.77 and 18,032.89 is: 24,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.41 : 43,415.77 = 18,032.89 : x
  2. Step 2: Convert to fraction form
    31,459.41/43,415.77 = 18,032.89/x
  3. Step 3: Cross multiply
    31,459.41x = 43,415.77 × 18,032.89
  4. Step 4: Simplify right side
    31,459.41x = 782,911,804.68
  5. Step 5: Solve for x
    x = 782,911,804.68/31,459.41
  6. Step 6: Final answer
    x = 24,886.41

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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.