Home / 31,466.89-43,424.42-18,038.95

Finding the Fourth Proportional to 31,466.89, 43,424.42 and 18,038.95

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Solution

The fourth proportional to 31,466.89, 43,424.42 and 18,038.95 is: 24,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,466.89 : 43,424.42 = 18,038.95 : x
  2. Step 2: Convert to fraction form
    31,466.89/43,424.42 = 18,038.95/x
  3. Step 3: Cross multiply
    31,466.89x = 43,424.42 × 18,038.95
  4. Step 4: Simplify right side
    31,466.89x = 783,330,941.16
  5. Step 5: Solve for x
    x = 783,330,941.16/31,466.89
  6. Step 6: Final answer
    x = 24,893.82

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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.