Home / 31,424.58-43,364.28-17,277.90

Finding the Fourth Proportional to 31,424.58, 43,364.28 and 17,277.90

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Solution

The fourth proportional to 31,424.58, 43,364.28 and 17,277.90 is: 23,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.58 : 43,364.28 = 17,277.90 : x
  2. Step 2: Convert to fraction form
    31,424.58/43,364.28 = 17,277.90/x
  3. Step 3: Cross multiply
    31,424.58x = 43,364.28 × 17,277.90
  4. Step 4: Simplify right side
    31,424.58x = 749,243,693.41
  5. Step 5: Solve for x
    x = 749,243,693.41/31,424.58
  6. Step 6: Final answer
    x = 23,842.60

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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.