Home / 31,403.80-47,055.30-16,593.40

Finding the Fourth Proportional to 31,403.80, 47,055.30 and 16,593.40

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Solution

The fourth proportional to 31,403.80, 47,055.30 and 16,593.40 is: 24,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.80 : 47,055.30 = 16,593.40 : x
  2. Step 2: Convert to fraction form
    31,403.80/47,055.30 = 16,593.40/x
  3. Step 3: Cross multiply
    31,403.80x = 47,055.30 × 16,593.40
  4. Step 4: Simplify right side
    31,403.80x = 780,807,415.02
  5. Step 5: Solve for x
    x = 780,807,415.02/31,403.80
  6. Step 6: Final answer
    x = 24,863.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.