Home / 31,873.52-47,820-16,302.08

Finding the Fourth Proportional to 31,873.52, 47,820 and 16,302.08

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Solution

The fourth proportional to 31,873.52, 47,820 and 16,302.08 is: 24,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,873.52 : 47,820 = 16,302.08 : x
  2. Step 2: Convert to fraction form
    31,873.52/47,820 = 16,302.08/x
  3. Step 3: Cross multiply
    31,873.52x = 47,820 × 16,302.08
  4. Step 4: Simplify right side
    31,873.52x = 779,565,465.60
  5. Step 5: Solve for x
    x = 779,565,465.60/31,873.52
  6. Step 6: Final answer
    x = 24,458.09

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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.