Home / 31,853.94-47,788.61-9,666.02

Finding the Fourth Proportional to 31,853.94, 47,788.61 and 9,666.02

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Solution

The fourth proportional to 31,853.94, 47,788.61 and 9,666.02 is: 14,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853.94 : 47,788.61 = 9,666.02 : x
  2. Step 2: Convert to fraction form
    31,853.94/47,788.61 = 9,666.02/x
  3. Step 3: Cross multiply
    31,853.94x = 47,788.61 × 9,666.02
  4. Step 4: Simplify right side
    31,853.94x = 461,925,372.76
  5. Step 5: Solve for x
    x = 461,925,372.76/31,853.94
  6. Step 6: Final answer
    x = 14,501.36

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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.