Home / 31,465.08-43,420.02-18,033.48

Finding the Fourth Proportional to 31,465.08, 43,420.02 and 18,033.48

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Solution

The fourth proportional to 31,465.08, 43,420.02 and 18,033.48 is: 24,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,465.08 : 43,420.02 = 18,033.48 : x
  2. Step 2: Convert to fraction form
    31,465.08/43,420.02 = 18,033.48/x
  3. Step 3: Cross multiply
    31,465.08x = 43,420.02 × 18,033.48
  4. Step 4: Simplify right side
    31,465.08x = 783,014,062.27
  5. Step 5: Solve for x
    x = 783,014,062.27/31,465.08
  6. Step 6: Final answer
    x = 24,885.18

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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.