Home / 31,574.40-47,337.60-16,003.20

Finding the Fourth Proportional to 31,574.40, 47,337.60 and 16,003.20

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Solution

The fourth proportional to 31,574.40, 47,337.60 and 16,003.20 is: 23,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574.40 : 47,337.60 = 16,003.20 : x
  2. Step 2: Convert to fraction form
    31,574.40/47,337.60 = 16,003.20/x
  3. Step 3: Cross multiply
    31,574.40x = 47,337.60 × 16,003.20
  4. Step 4: Simplify right side
    31,574.40x = 757,553,080.32
  5. Step 5: Solve for x
    x = 757,553,080.32/31,574.40
  6. Step 6: Final answer
    x = 23,992.64

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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.